| | | | | | Real-world case study demonstrates how to reduce harmonic levels in power systems |
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| | | In Episode 28 of “EC&M Tech Talk,” Randy Barnett, a journeyman electrician, inspector, author, trainer, and electrical safety expert, covers the topic of bonding of electrical systems and equipment. Understanding the reasoning behind bonding helps electrical professionals grasp the compliance requirements found in the National Electrical Code. |
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| | | In Episode 25 of “EC&M On Air,” a podcast series from EC&M magazine that shares industry intelligence, insights and opinions on all topics electrical, Editor-in-Chief Ellen Parson presents a special edition in honor of Father’s Day, which was celebrated this past Sunday on June 18. |
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| | Advertisement | Global megatrends in the energy industry are shifting towards decarbonization, decentralization, and digitalization, leading to increases in renewable generation, new loads from electric vehicles, and an array of distributed assets along the distribution grid. |
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| | | This photo gallery highlights the 30 individuals who were selected as 2023's group of Under 30 EC&M All Stars and serves as a sneak peek for the upcoming Special Report in our July print issue, which will reveal specifically how these young professionals are going above and beyond the call of duty, especially demonstrating innovation, efficiency, and... |
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| | Advertisement | With a variety of educational courses to choose from, the Facilities Expo offers electrical professional expertise and insights into the latest technologies and solutions to keep your building operating smoothly – all for free. Register today! |
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| | | This article is part of a multi-part series on how to identify, monitor, diagnose, and deal with harmonics in electrical power systems. Last month’s article discussed how to determine if current and/or voltage distortion levels were sufficiently high to classify a power quality issue as a harmonic problem. This month, we’ll review how to take the data... |
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| | | During a power quality inspection to evaluate the integrity of a critical communication UPS system, a discovery was made in one of the 125A panelboards. After evaluating the UPS installation, we proceeded to inspect all the downstream panelboards. |
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| | | In last month’s column, I addressed the question of what harmonics is and why you should care. In this installment of our multi-part series on power quality topics, we’ll move on to how to identify, monitor, diagnose, and deal with harmonics in electrical power systems. |
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| | | One of the most often mentioned and misunderstood power quality issues we see with commercial, industrial, and power-generating electrical equipment is harmonics. This is Part 1 of a multi-part series to discuss how to identify, monitor, diagnose, and deal with harmonics in large electrical systems. |
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| | | In this episode of EC&M Code Conversations, Editor-in-Chief Ellen Parson and Code Consultant Russ LeBlanc dive into the AFCI protection requirements in Sec. 210.12 of the NEC. |
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| | | The first rule in troubleshooting a PLC system is to check the final control elements, and the second is to check the inputs. The third rule is the logic doesn’t “go bad.” So, what do you do next? |
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| | | Article 450, Part I provides the general requirements for transformers. In the 2020 revision, Part 2 was titled “Specific Provisions Applicable to Different Types of Transformers,” with the 2023 revision, Part 2 is titled “Installation.” Part III is still about transformer vaults. |
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| | | Take this quiz about electric vehicles and enter for a chance to win a $25 gift card to Amazon, iTunes, or Cabela’s! |
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