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[ { "title": "LEARN | Advanced Metering Pt 2: Ensure true reliability for critical applications", "nid": "574", "body": "\u003Cp\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003E\u003Cimg alt=\u0022AM 1\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022efdfbe94-3b2f-494f-b40b-df0a6fc661e3\u0022 height=\u0022210\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Newsletter%20image.jpg\u0022 width=\u0022498\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn our NEW series on Advanced Metering, we unpack why advanced metering devices should not only be truly reliable devices but also, provide information that helps users to achieve tangible results. In \u003Cstrong\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/news.php?type=articles\u0026amp;name=LEARN--Advanced-Metering-Pt-1-The-Drive-for-Tangible-Results\u0022\u003Epart 1\u003C/a\u003E\u003C/strong\u003E, we gave an overview of traditional PQ data reporting, touched on workforce dynamics and then outlined the path to tangible results.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn the second instalment, we discuss how Advanced Metering ensures true reliability for critical applications.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EWhen talking about power metering most people think about the smart meters they have at home. Some of you may think of the simpler kWh meters used for cost allocation or sub-billing in buildings and industrial applications. These power quality meters are very good for what they are designed for, but there are some critical applications where the metering performance needs to be more reliable.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003EIn general, these critical applications can be divided in two groups:\u003C/strong\u003E\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003ERevenue metering:\u003C/strong\u003E\u00A0relevant where large amounts of energy (and money) are changing hands. That is the case, for example, at interchange points between generation and transmission, or transmission and distribution utilities.\u003C/li\u003E\n\u003Cli class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003EPower quality monitoring:\u003C/strong\u003E\u00A0the impact of poor power quality can be catastrophic to critical power users, impacting industrial processes, damaging electrical assets and putting entire businesses at risk.\u003C/li\u003E\n\u003C/ul\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003ENot surprisingly, the criticality of these applications is directly linked with the financial impact they can cause to stakeholders.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EAnother important aspect to take into consideration is the fast (and accelerating) transformation of the electrical grid.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003EDistributed generation, renewables, electrical vehicles and modern power electronics are changing the grid characteristics which can affect the way power quality meters perform and how accurately they can measure various electrical network parameters.\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn this context it is imperative to use\u00A0\u003Ca href=\u0022https://www.se.com/ww/en/product-subcategory/4110-advanced-metering/\u0022\u003Eadvanced power metering\u003C/a\u003E; more robust, with higher accuracy and faster sampling rate. But how to be sure these advanced meters are truly reliable? How to make sure they accurately measure and monitor electrical networks?\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe answer involves everyone\u2019s favourite topics: standards!\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003E\u003Cimg alt=\u0022AM 2\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u00221f395d79-1957-45d8-9769-ec25a908d77b\u0022 height=\u0022247\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Metering%20pic.jpg\u0022 width=\u0022370\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003ERegulating accuracy\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThere are a several foundational international standards published by ANSI, IEC and OIML that specify requirements for solid state energy meters: ANSI C12.1, C12.20, IEC 62052-11, IEC 62053-2x and OIML R-46.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003EThese standards define general and particular requirements, tests and test conditions for static energy meters.\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EMeters to be used in revenue billing applications must comply with these standards and the vast majority of local regulations and requirements for billing meters, such as those for Measurement Canada, European MID, Brazilian Inmetro, Mexican NOM001, Australian NMI M-6 are effectively based on ANSI, IEC or OIML documents.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe important point to note here is that both ANSI and IEC standards have gone through significant updates recently, and a significant revision of OIML R-46 is under way.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThese new revisions provide the benefits of higher accuracy class 0.1 metering, increased meter robustness, and increased metrological performance with highly distorted signals.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003EPower Quality Instruments \u2013 PQIs\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EMost digital electricity meters produced today can calculate and report on some kind of power quality metrics, but these measurements have been found to differ substantially between manufacturers.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe standard IEC 61000-4-30 was created to address this discrepancy by defining a set of measurement methods and algorithms for each of the Power Quality metrics.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EUnfortunately, when the standard was first released, there was no traceable and repeatable procedure to verify conformance. Significant differences in measured Power Quality metrics could still be found between device manufacturers.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThis situation was one of the main drivers for the development of the IEC 62586 series of standards.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EPart 1, IEC 62586-1, was constructed as a comprehensive PQ instrument (PQI) product standard. The standard outlines safety, electromagnetic compatibility (EMC), climatic, and mechanical requirements.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003EThese requirements serve to ensure the instrument\u2019s robustness will be suitable for its installation within the severe environments of a power station or a substation.\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EPart 2, IEC 62586-2, defines the functional tests for verification of compliance of a PQI with the measurement methods defined in IEC61000-4-30 standard.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIEC 62586-2 also includes tests to assess the impact of external power system influences (such as voltage and frequency changes, harmonics) and temperature on the PQI performance.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EEffectively, the IEC 62586-2 provides a comprehensive, repeatable and traceable test procedures which allow unbiased comparisons of performance of different PQIs.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003ETruly reliable power quality meters for critical applications\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe evolution of foundational standards for energy accuracy and\u00A0\u003Ca href=\u0022https://www.se.com/ww/en/work/solutions/power-management/power-quality/\u0022\u003Epower quality\u003C/a\u003E\u00A0monitoring are a clear indication that the electrical grid changes are significant and that manufacturers need to constantly evolve the design of power quality meters used in critical applications.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe new IEC and ANSI accuracy requirements (ANSIC12.1 / C12.20 \u2013 2015 and IEC62052-11 ed 2:2020/ IEC 62053-21, -22, -23, -24 ed.2:2020) make revenue meters more suitable for use on modern electricity distribution networks and result in meter designs updated to match the technical progress in metrology, and the increased customer expectations of more robust and more accurate measurements in billing applications.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EEnergy meters that comply with the latest editions of these standards will provide confidence that they will be more accurate in highly polluted electrical networks and will have better overall metrological stability.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EOn the Power Quality side, compliance only with IEC61000-4-30 is not enough anymore. Critical power users need to ensure their power quality monitoring devices are tested properly (IEC62586-2) and will keep their accuracy and performance level in a real substation environment, under the influence of several different environmental and electrical conditions (IEC62586-1).\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIt\u2019s also important to remember the value of certifying the metering devices using an independent third-party laboratory. Third party certifiers provide an objective review against the standards, free from the economic demands of the marketplace, increasing the confidence in the device\u2019s performance and reliability.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EFinally, as the substations become more connected, cybersecurity also becomes a key feature for which true reliability should be assured. Secure communications, access control, and general robustness of the cybersecurity solution can be effectively demonstrated by compliance to the relevant international standards, such as IEC62443.\u003C/p\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EResources:\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E1. \u003Ca href=\u0022https://www.magnetgroup.co.za/download/magnet-schneider-advanced-metering.pdf\u0022\u003EDOWNLOAD\u003C/a\u003E \u003C/strong\u003EAdvanced Metering flyer\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E2. \u003Ca href=\u0022https://www.youtube.com/watch?v=mBxE7GjwMwE\u0026amp;list=PL0AHvVniUcgwcgSxZ8bJbYGbHrqklEBLp\u0026amp;index=7\u0022\u003EWATCH\u003C/a\u003E \u003C/strong\u003ESchneider Electric\u2019s Power Monitoring Device\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E3. \u003Ca href=\u0022https://www.magnetgroup.co.za/contactus.html\u0022\u003ECHAT\u003C/a\u003E \u003C/strong\u003Eto us for a Schneider Electric solution for your facility\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E4. \u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003ESUBSCRIBE\u003C/a\u003E \u003C/strong\u003Eto receive these informative articles straight to your inbox\u003C/p\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ESource:\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://blog.se.com/power-management-metering-monitoring-power-quality/2021/04/01/how-does-advanced-metering-ensure-true-reliability-for-critical-applications/\u0022\u003Ehttps://blog.se.com/power-management-metering-monitoring-power-quality/2021/04/01/how-does-advanced-metering-ensure-true-reliability-for-critical-applications/\u003C/a\u003E\u003C/p\u003E\n", "created": "Nov 2021", "terms": "Electrical, Education, Schneider" }, { "title": "LEARN | Advanced Metering Pt 1: The Drive for Tangible Results", "nid": "572", "body": "\u003Cp\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003E\u003Cimg alt=\u0022Metering pic\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022d499a535-259b-4508-8053-4ac680e13698\u0022 height=\u0022232\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Metering%20pic%20NEWSLETTER.jpg\u0022 width=\u0022490\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EHaving a truly reliable monitoring device is certainly the starting point for any business that relies on power availability, but it is certainly not enough. What use it is for engineers and facility managers to have access to highly accurate data if they can\u2019t get real insight from that data?\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn this NEW series, we unpack why advanced metering devices should not only be truly reliable devices but also, provide information that helps users to achieve tangible results, information that is meaningful and actionable. In part 1, we give an overview of traditional PQ data reporting, touch on workforce dynamics and then outline the path to tangible results.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ETraditional Power Quality data reporting\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EThere are quite a few examples of international standards that define limits for power quality parameters within an electrical network. Most advanced metering devices report data using these standards as a reference, assessing parameters against limits defined by the standards, and alerting the users when their systems are operating outside those limits.\u003C/p\u003E\n\u003Cp\u003EThis works well in highly regulated environments, where electrical utilities are contractually required to provide a certain level of service to customers. But for most users, especially on the demand side (industries, commercial buildings, critical buildings, etc.), this assessment data provides only a partial picture of the overall system health. Here are a couple reasons why:\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003EThe data does not provide much insight into the actual causes of power quality events.\u00A0Without that information, users are often unsuccessful when trying to prevent similar events from happening again in the future.\u003C/li\u003E\n\u003Cli\u003EThe data also does not fully capture the particularities of different electrical distribution systems.\u00A0Different electrical architectures and assets will have different levels of resilience to power quality events. If data is not analysed within this context, users will very likely be flooded with information that really is not meaningful.\u003C/li\u003E\n\u003C/ul\u003E\n\u003Cp\u003E\u003Cstrong\u003EWith the above in mind, it\u2019s a fair expectation that advanced metering devices should not only provide data defined by the international standards, but also derive contextual actionable information that can drive tangible results and help users with what really matters:\u003C/strong\u003E\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003ETracking the health and performance of the assets\u00A0within the electrical distribution system\u003C/li\u003E\n\u003Cli\u003EPlanning contingency \u0026amp; resilience scenarios\u00A0to ensure operations aren\u2019t disrupted when \u201Ctypical\u201D events occur\u003C/li\u003E\n\u003Cli\u003EWhen \u201Catypical\u201D events occur, the source/cause can be quickly ascertained, hereby expediting a prompt recovery to normal operations.\u003C/li\u003E\n\u003C/ul\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe workforce dynamics\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EAnother important aspect that is accelerating the need for tangible results is related to the dynamics in the workforce and the work environment.\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EModern workers often have many different responsibilities and do not have the time, or the need, to be as specialized in one subject matter as they were in the past. They need to juggle different priorities in a highly dynamic work environment, so they simply don\u2019t have the capacity to deal with data overload; they just need to know what to do and why. They expect intelligent devices and systems to help them in their work environment in a similar way that streaming services help them to choose meaningful content to consume.\u003C/p\u003E\n\u003Cp\u003ENot only are workers changing, but businesses of all kinds are evolving at a similar pace. Product life cycles are shorter, customers are more engaged, and information is more available than ever before. Agility is the new name of the game and nimble adaptation is essential.\u003C/p\u003E\n\u003Cp\u003EThis reality poses a few questions:\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003EWho can really spend the time diving deep into data and trying to understand the dynamics of a complicated electrical system?\u003C/li\u003E\n\u003Cli\u003EShouldn\u2019t that be the job of the specialists supplying the electrical infrastructure?\u003C/li\u003E\n\u003Cli\u003EShouldn\u2019t that infrastructure be capable of adapting and learning to better serve my purposes?\u003C/li\u003E\n\u003C/ul\u003E\n\u003Cp\u003E\u003Cstrong\u003EWe believe the answers to the questions above are: Nobody, Yes, and Yes! \u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EBut most metering manufacturers today are still leveraging the \u201Cold approach\u201D; building devices that produce a lot of data, but almost zero information for the non-specialist professional.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/schneider-electric.html\u0022\u003E\u003Cimg alt=\u0022Schneider metering\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022ded4489f-ca4e-4d3a-b4a1-555cce69609b\u0022 height=\u0022287\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Onsite%20pic.jpg\u0022 width=\u0022442\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe path to tangible results\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EFrom our point of view, the path to tangible results needs to be built around two main principles:\u003C/p\u003E\n\u003Col\u003E\n\u003Cli\u003EData reporting that goes beyond what is pre-defined in international standards: focusing on value to end users. Information such as the location of where a certain event was generated, what caused the event, what parts of the system were affected, and the financial impact incurred by such event. This is meaningful information that provides the necessary context to achieve tangible results.\u003C/li\u003E\n\u003Cli\u003ELeveraging AI and embedded analytics to achieve customer intimacy: just like consumer marketing is getting closer to individual relationships with customers, with highly customized advertisement and services, the advanced metering devices should leverage similar technologies to truly understand the specificities of each electrical system providing substantive information which can drive to very targeted tangible results\u003C/li\u003E\n\u003C/ol\u003E\n\u003Cp\u003E\u003Cstrong\u003EThese are exciting times for a traditional industry that has not seen much innovation in the last few years, but not a lot of manufacturers seemed to have fully grasped the opportunity. \u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EThe challenge of today\u2019s meter manufacturer is to extract the value found in historic PQ assessments and evolve and adapt it to the changing needs of the modern grid \u0026amp; workforce.\u003C/p\u003E\n\u003Cp\u003EOne way this can be accomplished is by leveraging tools (like SW, AI \u0026amp; analytics) to extend the scope of these PQ assessments and to recast the historical pile-of-data into bite-sized actionable information. This \u201Cbite-sized synthesis\u201D approach will enable users to realize an improvement in their overall electrical distribution system health \u0026amp; performance. One of the benefits to focusing on delivering tangible results will come from the most \u201Cintangible benefit\u201D of them all \u2026 Customer satisfaction!\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EResources:\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E1. \u003Ca href=\u0022https://www.youtube.com/watch?v=8KEGajX4qs4\u0026amp;list=PL0AHvVniUcgwcgSxZ8bJbYGbHrqklEBLp\u0026amp;index=12\u0022\u003EWATCH\u003C/a\u003E \u003C/strong\u003ESchneider Electric\u2019s Innovative Load Management Solution\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E2. \u003Ca href=\u0022https://www.magnetgroup.co.za/contactus.html\u0022\u003ECHAT\u003C/a\u003E \u003C/strong\u003Eto us for a Schneider Electric solution for your facility\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E3. \u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003ESUBSCRIBE\u003C/a\u003E \u003C/strong\u003Eto receive these informative articles straight to your inbox\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ESource:\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://blog.se.com/power-management-metering-monitoring-power-quality/2021/09/10/advanced-metering-the-drive-for-tangible-results/\u0022\u003Ehttps://blog.se.com/power-management-metering-monitoring-power-quality/2021/09/10/advanced-metering-the-drive-for-tangible-results/\u003C/a\u003E\u003C/p\u003E\n", "created": "Nov 2021", "terms": "Electrical, Education, Schneider" }, { "title": "LEARN | The electrical installation risk assessment", "nid": "565", "body": "\u003Cp\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003E\u003Cimg alt=\u0022Electrical installation\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022620a8c30-f907-4222-b312-9dbf7afbd3d0\u0022 height=\u0022259\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Electrical-Service%201.jpg\u0022 width=\u0022619\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003EElectrical contractors face risks on the jobsite every day. But risk assessments for electrical installations, when performed correctly, can help reduce the overall risk of injury.\u003C/p\u003E\n\u003Cp\u003EIn this article, we take a deeper dive into this invaluable tool.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EWhat are electrical installation risk assessments?\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EAn electrical installation risk assessment is a procedure that helps electrical workers identify hazards, assess risks, and implement risk controls before beginning work at a site. During the assessment, a worker must weigh the\u00A0likelihood\u00A0of an electrical occurrent, and the\u00A0severity\u00A0of a potential injury.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe case for electrical installation risk assessments\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u201CIt won\u2019t happen to me. I\u2019m safe.\u201D While electrical contractors may feel confident working with electrical equipment, the potential risks of the job, including shock and\u00A0\u003Cstrong\u003E\u003Ca href=\u0022https://www.se.com/ww/en/work/services/field-services/electrical-distribution/optimise/arc-flash-solutions/?utm_source=risk-assessment-blog\u0026amp;utm_medium=arc-flash-cta\u0026amp;utm_campaign=contractors\u0022\u003Earc flash,\u003C/a\u003E\u003C/strong\u003E warrant extra precautions.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn many cases, safe electrical work practices, such as performing a risk assessment for circuits and other electrical installations, can help contractors avoid both shock and arc flash events.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003E\u003Cimg alt=\u0022electrical risk assessment\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u00229ecef874-30d9-4b16-af44-2edd14b7a929\u0022 height=\u0022254\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/NAM_PBU_US_ArcFlash_EmailHero_12.14.16_600x407.jpg\u0022 width=\u0022375\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThree steps in an electrical installation risk assessment matrix\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EHere are three steps required as part of any risk assessment for electrical installations.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E1.\u00A0\u00A0\u00A0\u00A0\u00A0 Evaluate the likelihood of occurrence\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe likelihood of occurrence will vary depending on the work performed. For example, there\u2019s a higher chance of an electrical event when performing voltage testing on energized conductors than when operating a circuit breaker handle.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EEquipment condition is also a factor that may impact the likelihood of an electrical occurrence, especially if the equipment is improperly rated or maintained. Because of this, equipment maintenance documents and any relevant safety information are a must-have\u00A0for electrical workers.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E2.\u00A0\u00A0\u00A0\u00A0\u00A0 Determine the severity of a potential injury\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe severity of a potential injury depends on the type of electrical occurrence.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EFor shock hazards, this is simple to determine. The severity of an injury relates back to the voltage and the path that current will follow as it travels through the body.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EHowever, \u003Cstrong\u003E\u003Ca href=\u0022https://www.youtube.com/watch?v=6katzNnaNKc\u0026amp;list=PL0AHvVniUcgwcgSxZ8bJbYGbHrqklEBLp\u0026amp;index=11\u0022\u003Efor arc flash hazards\u003C/a\u003E\u003C/strong\u003E, the severity is based on the available incident energy at that point in the electrical system.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EHow do you determine the incident energy? \u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIncident energy is the amount of energy generated during an arc flash event. Electrical contractors can estimate this by accessing circuit-specific information in the equipment documentation, such as the clearing time of the upstream overcurrent protection and the available fault current. Once the incident energy level is known, equipment should be marked according to National Standard requirements, so future workers can quickly identify the\u00A0incident energy level during servicing.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003E3.\u00A0\u00A0\u00A0\u00A0\u00A0 Follow the risk control hierarchy\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EAfter assessing the likelihood of occurrence and severity of a potential injury, it\u2019s time to implement risk controls based on a hierarchy. These include:\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003E\u003Cstrong\u003EElimination:\u003C/strong\u003E Temporarily \u00A0eliminate the hazard to establish an electrically safe work condition\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003ESubstitution:\u003C/strong\u003E Substitute less-hazardous equipment, such as using non-electrical or battery-operated tools instead of cord- and plug-connected\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003EEngineering controls:\u003C/strong\u003E Choose options that automatically reduce risk, including GFCI protection or factory-installed barriers\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003EAwareness:\u003C/strong\u003E Alert people to the hazard by installing permanent or temporary signs, labels, barricades, etc.\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003EAdministrative controls:\u003C/strong\u003E Complete all front-end work, such as establishing planning processes, attending training, obtaining permits, and clarifying work procedures\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003EPPE:\u003C/strong\u003E Ensure personal protective equipment (PPE), such as insulated tools, clothing, and gloves, are available when needed\u003C/li\u003E\n\u003C/ul\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EAgain, these risk controls will vary depending on the site and the work being performed.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003ETo increase safety in electrical environments, contractors must be able to recognize the hazards associated with electrical energy and then take the necessary precautions to avoid those\u00A0hazards.\u00A0 An electrical installation risk assessment is the tool to help you accomplish this \u2014 it is quite possibly the most important tool you need working around electrical equipment.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EResources: \u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E1. \u003Cstrong\u003E\u003Ca href=\u0022https://www.youtube.com/watch?v=6katzNnaNKc\u0026amp;list=PL0AHvVniUcgwcgSxZ8bJbYGbHrqklEBLp\u0026amp;index=11\u0022\u003EWATCH\u003C/a\u003E\u003C/strong\u003E a video on Arc Fault detection devices\u003C/p\u003E\n\u003Cp\u003E2. \u003Cstrong\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/contactus.html\u0022\u003ECHAT\u003C/a\u003E\u003C/strong\u003E to us for an electrical safety solution for your facility\u003C/p\u003E\n\u003Cp\u003E3. \u003Cstrong\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/schneider-electric.html\u0022\u003ELEARN\u003C/a\u003E\u003C/strong\u003E more about Schneider Electric products and solutions\u003C/p\u003E\n\u003Cp\u003E4. \u003Cstrong\u003E\u003Ca href=\u0022https://shop.magnetgroup.co.za/#!items/schneider-electric\u0022\u003ESHOP\u003C/a\u003E\u003C/strong\u003E Schneider Electric on the Magnet Store\u003C/p\u003E\n\u003Cp\u003E5. \u003Cstrong\u003E\u003Ca href=\u0022https://www.magnetgroup.co.za/news-letter.html\u0022\u003ESUBSCRIBE\u003C/a\u003E\u003C/strong\u003E to get these informative articles straight to your inbox\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ESource:\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://blog.se.com/energy-regulations/2021/07/29/risk-assessment-electrical-contractors-important-tool/\u0022\u003Ehttps://blog.se.com/energy-regulations/2021/07/29/risk-assessment-electrical-contractors-important-tool/\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n", "created": "Nov 2021", "terms": "Electrical, Education, Schneider" }, { "title": "LEARN | Explosive Environments in Industry pt 2", "nid": "564", "body": "\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cimg alt=\u0022Smoke\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022252663b1-d852-45da-a5fe-7e38e94256dd\u0022 height=\u0022254\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/a-comprehensive-explosion-protection-document-developed-for-a-leading-heating-company.jpg\u0022 width=\u0022507\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn \u003Ca href=\u0022https://www.magnet.co.za/news.html?type=articles\u0026amp;name=LEARN--Explosive-Environments-in-Industry-pt-1\u0022\u003E\u003Cstrong\u003EPART 1\u003C/strong\u003E\u003C/a\u003E of Explosive Environments, we introduced you to explosive environments in the workplace. We gave an overview on how to classify explosive areas according to the necessary standards, and explained the compliance standards your company should adhere to, for specific areas, at all times. Furthermore, we identify what to look for when installing and operating electrical equipment in an explosive area.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn \u003Cstrong\u003EPART 2\u003C/strong\u003E, we\u2019ll be covering temperature classification, IP ratings and nameplates. We end off with a summary of some explosions that took place at South African facilities.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.magnet.co.za/news-letter.html\u0022\u003E\u003Cstrong\u003ESUBSCRIBE\u003C/strong\u003E\u003C/a\u003E to\u00A0receive these informative articles straight to your inbox!\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ETemperature Classification\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIt is required that the temperature class of selected equipment may not exceed the ignition temperature of any gas that is present in the atmosphere. The table below indicates the temperature class and the corresponding ratings.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cimg alt=\u0022table 1 EX \u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022ac6b60e1-ef8b-47da-b86d-9efced2d1d63\u0022 height=\u0022198\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Table%201_1.jpg\u0022 width=\u0022604\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe ambient temperature rating of the equipment must cover the full range of possible temperatures in the areas located. If the ambient temperature is not specified on the equipment, then the equipment must be operated within the ambient range of \u201320\u00B0to \u002B40\u00B0C.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EIngress Protection Ratings \u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIt is vital that the ingress protection of equipment be suitable at all points where it is used. This is done to prevent any foreign objects or flammable substances from entering the equipment\u2019s enclosure. The IP rating is used to indicate the resistance offered by the fixture to the penetration of solids and liquids. The IP rating consists of a two-digit number. The first digit is used to identify the degree of protection, against the ingress of solids, whilst the second digit identifies the degree of protection against the ingress of liquids.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EClick here to \u003Ca href=\u0022https://www.magnet.co.za/external/magnet-atex-ip-rating-document.pdf\u0022\u003E\u003Cstrong\u003EDOWNLOAD\u003C/strong\u003E\u003C/a\u003E our IP Rating Chart.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EInformation Given on an Equipment\u2019s Nameplate\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EMost equipment nameplates will have some common items of information. Many of these are self-explanatory, and include:\u003C/p\u003E\n\u003Cp\u003E\u2022 Manufacturer\u003C/p\u003E\n\u003Cp\u003E\u2022 Manufacturer\u02BCs address\u003C/p\u003E\n\u003Cp\u003E\u2022 Model number\u003C/p\u003E\n\u003Cp\u003E\u2022 Serial number\u003C/p\u003E\n\u003Cp\u003E\u2022 Certification mark(s)\u003C/p\u003E\n\u003Cp\u003EThe manufacturers literature may help decipher the coding used for particular equipment. Example of a flameproof motor nameplate cipher,\u00A0below.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cimg alt=\u0022Figure 1 ex\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u002206cc97e9-c80a-4e30-bab6-54ed4e3c1f0c\u0022 height=\u0022313\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Figure%201_1.JPG\u0022 width=\u0022834\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EExplosions that Occurred in South African Plants and Facilities\u003C/strong\u003E\u003C/p\u003E\n\u003Col\u003E\n\u003Cli\u003E\u003Cstrong\u003ESAPREF Refinery: 21 April 2004\u003C/strong\u003E\u003Cbr /\u003E\n\tA power failure caused a fire in the distillation unit with huge clouds of thick black smoke over South Durban.\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003EEngen Refinery: 16 April 2006\u003C/strong\u003E\u003Cbr /\u003E\n\tA large explosion shook Wentworth and Merebank residents which left one worker injured. The worker was burnt due to asphalt falling on his arms when the fire was being extinguished.\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003EEngen Refinery: 11 October 2006\u003C/strong\u003E\u003Cbr /\u003E\n\tResidents from surrounding areas reported a ball of black smoke from the stacks for an hour. This was caused by an electrical shutdown prompting fuel gas to be sent into the flares.\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003ESAPREF Refinery: 28 October 2006\u003C/strong\u003E\u003Cbr /\u003E\n\tA fire occurred in the diesel de-sulphurising unit. The fire lasted for 3-hours resulting in smoke throughout the South of Durban, which affected residents.\u003C/li\u003E\n\u003Cli\u003E\u003Cstrong\u003EEngen Refinery: 19 November 2007\u003C/strong\u003E\u003Cbr /\u003E\n\tA storage tank that consisted of 7 million litres of petrol burned to the ground for 58 hours.\u003C/li\u003E\n\u003Cli value=\u00226\u0022\u003E\u003Cstrong\u003EKZN Oil: 26\u003Csup\u003Eth\u003C/sup\u003E March 2015\u003C/strong\u003E\u003Cbr /\u003E\n\tA fire erupted across Clairwood Racecourse that resulted in people and workers being evacuated.\u003C/li\u003E\n\u003Cli value=\u00227\u0022\u003E\u003Cstrong\u003EEngen Refinery: 4 December 2020\u003C/strong\u003E\u003Cbr /\u003E\n\tSeveral residential apartments nearby were burnt as a result of the refinery explosion, and a local child suffered from face and body burns.\u003C/li\u003E\n\u003C/ol\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n\u003Cp\u003EConcerned about the equipment installed in explosive atmospheres at your facility? \u003Ca href=\u0022https://www.magnet.co.za/contactus.html\u0022\u003E\u003Cstrong\u003ECHAT\u003C/strong\u003E\u003C/a\u003E to us now!\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cstrong\u003ESHOP\u003C/strong\u003E\u003C/a\u003E Explosion Proof Lighting, Plugs and Sockets on the Magnet Store.\u003C/p\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ESources:\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.ee.co.za/article/explosive-environments-fundamentals-area-classification-2.html\u0022\u003Ehttps://www.ee.co.za/article/explosive-environments-fundamentals-area-classification-2.html\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.raytecled.com/blog/identifying-zone-0-zone-1-and-zone-2-hazardous-areas/\u0022\u003Ehttps://www.raytecled.com/blog/identifying-zone-0-zone-1-and-zone-2-hazardous-areas/\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.ee.co.za/wp-content/uploads/legacy/Hazardous%20area%20classifications%20(SANS10108).pdf\u0022\u003Ehttps://www.ee.co.za/wp-content/uploads/legacy/Hazardous%20area%20classifications%20(SANS10108).pdf\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.ee.co.za/article/138434.html\u0022\u003Ehttps://www.ee.co.za/article/138434.html\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://pmg.org.za/committee-meeting/31716/\u0022\u003Ehttps://pmg.org.za/committee-meeting/31716/\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u00A0\u003C/p\u003E\n", "created": "Oct 2021", "terms": "Electrical, Education" }, { "title": "LEARN | Explosive Environments in Industry pt 1", "nid": "562", "body": "\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cimg alt=\u0022explosion\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u00223452b462-f0ca-443f-8e29-19376218b12a\u0022 height=\u0022167\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/blog-fire-newsletter.jpg\u0022 width=\u0022584\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EAre you working in an \u003Cstrong\u003Eexplosive environment\u003C/strong\u003E? Are the areas in your workplace properly classified according to the necessary documentation? Is the equipment installed and properly rated for safe operation in those explosive atmospheres?\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn the first article of the series, we introduce you to explosive environments in the workplace. We give an overview on how to classify explosive areas according to the necessary standards, and explain the compliance standards your company should adhere to, for specific areas, at all times. Furthermore, we identify what to look for when installing and operating electrical equipment in an explosive area.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003E\u003Cstrong\u003EExplanation of Zones\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EPrecautions must be implemented to prevent fire and explosions in areas that consist of an explosive atmosphere. For example, \u003Cstrong\u003Elighting\u003C/strong\u003E will have to be designed accordingly to ensure sparks are prevented as it may lead to the ignition of a flammable substance.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EHazardous areas are classified into zones for the ease of monitoring and specification. These zones will govern the level of protection and precaution required for it. The zone classifications of gases, vapours and mist are recognised as Zone 0, Zone 1, and Zone 2.\u003C/p\u003E\n\u003Cp\u003EIEC/SANS 60079-10-1 for gas zones should be used when assessing the extent of the hazard.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EZone 0 \u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EAn area where an explosive atmosphere is present continuously for long periods of time and will frequently occur.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EZone 1\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThis is an area where an explosive atmosphere may likely occur during normal operation. The explosive atmosphere may be a result of repair, maintenance operations or leakage.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EZone 2\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThis is an area where an explosive atmosphere will not occur in normal operation but if it does occur it will persist for a short period of time. These areas become hazardous if there is an accident or an unusual operating condition.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EStandards and Codes to Comply With\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EHazardous locations in the workplace must comply with the Occupational Health and Safety (OHS) Act, to ensure safety of personnel and equipment.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EStandards that are used for the classification of hazardous locations can be found in\u003Ca href=\u0022https://store.sabs.co.za/catalog/product/view/id/2140319/s/sans-10108-2017-ed-6-01/\u0022\u003E \u003Cstrong\u003ESANS 10108:2017 (Ed. 6.01).\u003C/strong\u003E\u003C/a\u003E SANS 10108 states that preference must be given to IEC standards and\u00A0these standards should be implemented for the specific plant that is being classified. Hence, \u003Cstrong\u003E\u003Ca href=\u0022https://store.sabs.co.za/catalog/product/view/id/2140963/s/sans-60079-10-1-2016-ed-2-00/\u0022\u003ESANS 60079-10-1\u003C/a\u003E\u003C/strong\u003E (flammable gasses and vapours) and \u003Cstrong\u003E\u003Ca href=\u0022https://store.sabs.co.za/catalog/product/view/id/2140015/s/sans-60079-10-2-2018-ed-2-00/\u0022\u003ESANS 60079-10-2\u003C/a\u003E\u003C/strong\u003E (combustible dusts and fibres) are the primary standards.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ESafety of Equipment \u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EIn areas where the risk of explosion is caused by the presence of explosive gas such as zone 0, these types of zones shall require equipment that has a very high level of protection. Locations that have a low risk, such as zone 2, will require lower levels of protection. It is vital that a risk analysis be done according to the standards set out by SANS 60079-10-1 and SANS 60079-10-2.\u003C/p\u003E\n\u003Cp\u003EThe table below shows the minimum protection level for equipment and explanation for each level.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cimg alt=\u0022table 1 explosion\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022589899b9-cea6-4afd-add8-aaf1246e3290\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Table%201_0.JPG\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EElectrical Equipment\u003C/strong\u003E\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EElectrical equipment that is installed in a gaseous atmosphere is divided into two groups. Group I makes reference to equipment that is used in mines of which has gases such as methane or similar vapours in the atmosphere whilst group II refers to equipment that is used above ground. The group is further divided into three subgroups where\u00A0group IIA\u00A0consists of atmospheres that have propane, or gases and vapours of equivalent hazard. Group IIB\u00A0is used for atmospheres that contain ethylene, or gases and vapours of equivalent hazard whilst\u00A0group IIC includes atmospheres containing hydrogen or gases and vapours of equivalent hazard.\u003C/p\u003E\n\u003Cp class=\u0022text-align-justify\u0022\u003EThe table below refers to the identifiers found on the nameplate of electrical equipment. These identifiers show which atmosphere the equipment can operate in.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cimg alt=\u0022Table 2 ex\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u00225c1099dc-ad72-4643-a460-958f1df26f31\u0022 height=\u0022289\u0022 src=\u0022/cms/drupal8-magnetgroup/sites/default/files/inline-images/Table%202.jpg\u0022 width=\u0022587\u0022 class=\u0022align-center\u0022 /\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.magnet.co.za/news.html?type=articles\u0026amp;name=LEARN--Explosive-Environments-in-Industry-pt-2\u0022\u003E\u003Cstrong\u003ERead part 2!\u003C/strong\u003E\u003C/a\u003E\u003C/p\u003E\n\u003Cp\u003EIn the next article of the series, we\u00A0cover\u00A0temperature classification, IP ratings and nameplates We end off with a summary of some explosions that took place at South African facilities.\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://www.magnet.co.za/news-letter.html\u0022\u003E\u003Cstrong\u003ESUBSCRIBE\u003C/strong\u003E\u003C/a\u003E to receive these informative articles straight to your inbox!\u003C/p\u003E\n\u003Cp\u003E\u003Ca href=\u0022https://shop.magnet.co.za/items/explosion-proof?id=CD3D39A7-3A80-4AA0-9BE0-2AD595AED841\u0022\u003E\u003Cstrong\u003ESHOP\u003C/strong\u003E\u003C/a\u003E Explosion Proof Lighting, Plugs \u0026amp; Sockets on the Magnet Store.\u003C/p\u003E\n\u003Cp\u003EWe can help you ensure your facility is compliant. \u003Ca href=\u0022https://www.magnet.co.za/contactus.html\u0022\u003E\u003Cstrong\u003ECHAT\u003C/strong\u003E\u003C/a\u003E to us about site audits.\u003C/p\u003E\n", "created": "Oct 2021", "terms": "Electrical, Education" } ]