| | | | | | How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? Hint: A bird’s eye view of poor rooftop wiring. |
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| | | | Test your knowledge of the NEC with this challenging question. Panelboards _____ be installed in the face-up or face-down position. |
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| | | | Editor-in-Chief Ellen Parson and NEC Expert Russ LeBlanc discuss some of the most significant changes to the 2023 edition of the National Electrical Code. This episode looks at several revisions to NEC Sec. 210.8(A) for GFCI protection of receptacles in dwelling units. |
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| | Four states from last year return on this year's list of the highest-paying states for electrical engineers based on data from the U.S. Bureau of Labor Statistics. Unfortunately, Utah was knocked out of this year's top five, and a new state has jumped up in the ranking to claim the No. 3 spot. Can you guess which state joined the top five? |
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| | | Disconnecting means and wiring methods for solar installations must meet requirements specific to solar photovoltaic systems. |
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| | | Fill in the blank. Electric vehicle power export equipment (EVPE) and bidirectional EVSE that incorporate a power export function shall be permitted to be a part of an interconnected power system operating in _____. |
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| | | Fill in the blank. Outlets supplying all permanently installed nonsubmersible pump motors for fountains shall have _____ protection. |
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| | | It’s time to test your knowledge on the Standard for Electrical Equipment Maintenance |
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| | | One of the most misinterpreted and misapplied NEC requirements in the electrical industry industry is power service to electric fire pumps. See why this problem should never occur due to the critical nature of a fire pump's function. |
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| | | Ellen Parson, editor-in-chief of EC&M, sits down with electrical testing and safety expert Mose Ramieh, vice president, business development at CBS Services, at the NETA PowerTest24 Conference, which was held in late February in Dallas and sponsored by the InterNational Electrical Testing Association (NETA). |
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| | | Russ looks at an installation where EMT is used as support for other wiring. Using EMT in this way is a violation of Sec. 358.12(2) in the NEC. In addition, Russ points out a violation to Sec. 300.11(C) because a raceway is being used to support cables. Unfortunately, this is a common violation that Russ finds when in the field. Have you ever seen ... |
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| | | Fill in the blank. The ampacity of the conductors in type NM cable shall be based on _______ degrees C. |
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