|  | | | | | In Episode 2 of “EC&M Asks,” our subject matter expert Tommy Northcott, P.E., a senior power engineer and branch manager for Jacobs Technology, Inc., answers reader-submitted questions regarding arc flash hazards, what type of PPE to wear, and information regarding arc flash calculations. |
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| | Advertisement | With a variety of educational courses to choose from on topics including safety and electrification, and CEU credits provided for your participation, the Facilities Expo is one show you don’t want to miss. Learn from industry experts, network, and explore solutions—all for free! |
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| | | The holiday season is here! To help you celebrate, Group Editorial Director Mike Eby has compiled his annual list of 12 products that any electrician would love to receive this holiday season. Click through the slides to see what Mike feels would make a great gift to unwrap this year. |
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| | | The National Electrical Code (NEC) updates every three years and it's important for electrical professionals to stay on top of the changes in each Code cycle. That's why EC&M has teamed up with longstanding NEC Consultant Mike Holt to update our readers on the key changes made during the latest Code cycle. |
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| | | Mike, the electrical supervisor over Building No. 3, told you about a problem your predecessor failed to address. A couple of motors had an excessive failure rate. Over the past five years, one of them was replaced three times and the other four times. It doesn't seem to be a voltage imbalance or some other power quality issue. He doesn’t have any ... |
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| | | In Episode 19 of “EC&M Tech Talks,” Randy Barnett, a journeyman electrician, inspector, author, trainer, and electrical safety expert, clears up some of the confusion regarding grounded conductors, grounding electrode conductors, neutrals, and equipment grounding conductors. |
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| | | It's no surprise that the National Electrical Code (NEC) continues to be an important subject of interest for EC&M readers. Throughout 2022, Russ LeBlanc, NEC Consultant, showed us some of the wildest Code violations that he found in the field through his "Moving Violations" video series. People who watch these videos undoubtedly are left wondering... |
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| | | The pandemic also forced many people to work from home, where reliable power took on new importance. For those who chose to make this workstyle permanent, solar with BESS could be an attractive alternative to the traditional back-up generator. They also may be able write off a portion of the system as a business expense. Now homeowners are increasi... |
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| | | In Episode 4 of “EC&M Asks,” a new video series featuring subject matter experts (SMEs) answering reader-submitted questions regarding popular electrical topics, Randy Barnett, a journeyman electrician, inspector, author, trainer, and electrical safety expert covers audience questions about grounding- and bonding-related topics. |
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| | | A 500A, 3-phase 480V breaker tripped during a generator test at a hospital. The breaker has been in service for nine months. It provides power to a 300kVA, 480V to 240/120V step-down transformer providing power to one of three floors in the patient tower. No new loads have recently been added. The generator test has been performed nine times prior ... |
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| | | Photo gallery shows examples of innovative off-grid homes. |
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| | | Section 422.5(A) requires GFCI protection to be provided for seven specific appliances. This requirement is based solely on the voltage rating and amperage rating of the appliance. The branch circuit voltage rating is irrelevant because there is no mention of the branch circuit voltage in this rule. There are also no exceptions to this rule. What a... |
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| | | With extreme weather events growing in frequency and magnitude, the electrical grid’s resiliency is in the spotlight. Scrutiny is broadening to include its expanding and potentially more vulnerable renewable components. There’s good news: Photovoltaic (PV) solar garnered good press in September’s devastating Hurricane Ian – a large solar-powered re... |
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| | | Test your knowledge of the NEC with this challenging Q&A from Code Consultant Mike Holt. What is the maximum Code allowable voltage for pier power distribution systems in marinas and boatyards? |
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| | | More than 40,000 North Carolina residents were left without power on Saturday night |
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| | | Take this quiz about holiday lighting and enter for a chance to win a $25 gift card to Amazon, iTunes, or Cabela’s! |
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