Electrical Codes & Standards
News and stories about the codes standards used by electrical contractors—including the National Electrical Code, NFPA 72: National Fire Alarm and Signaling Code, NFPA 70E: Standard for Electrical Safety in the Workplace, NFPA 101: Life Safety Code, IEEE standards and more—appear monthly in ELECTRICAL CONTRACTOR Magazine and can be read and shared on ECmag.com. Electrical contractors need these codes to stay safe on the job, and many of the codes also protect those living and working in the buildings serviced by ECs.
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Codes & Standards
Get It Running: Motor conductor ampacity, motor ratings and code letters
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When I was new to the electrical construction industry, I worked with a journeyman electrician on a job site who asked me to connect a new electric motor in the building’s electrical equipment room.
Codes & Standards
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Healthcare Applications: CQD Spotlight
Oct 16, 2026
CQD Spotlight features questions and answers from NECA and ELECTRICAL CONTRACTOR’s Code Question of the Day program. Whether you’re a seasoned contractor, an apprentice or simply a National Electrical Code enthusiast, you’ll gain knowledge with a nod to the legacy of Charles M.
...2023 NEC Changes
In his 20-part series, National Electrical Code expert Mark Earley explained all the changes that went into the 2023 edition of the NEC as part of the three-year revision cycle.
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Codes & Standards
Keeping Your Distance, Termination Issues And More
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Codes & Standards
Disadvantages And Regulations: Code Rules for Ungrounded Systems
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Codes & Standards
What's Cooking? GFCI Protection for Kitchens, Nondwelling Applications
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Codes & Standards
General Installation Requirements, Part XVII
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Codes & Standards
Slash-Rated Breakers, Trade Show Dilemma And More
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Codes & Standards
To Ground Or Not To Ground
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Codes & Standards
The Heat Is On: How much current can PoE cable handle?
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Codes & Standards
General Installation Requirements, Part XVI
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Codes & Standards
Avoiding Explosion Hazards, Replacing Metal-Halides And More
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Codes & Standards
It's All About Workmanship
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Codes & Standards
General Installation Requirements, Part XV
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Codes & Standards
Codes Working Together: NEC fault-current marking related to NFPA 70E
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Codes & Standards
Color Coding, Self-Certification And More
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Codes & Standards
Approval Factors
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Codes & Standards
Changes That Matter: Transformers
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Codes & Standards
General Installation Requirements, Part XIV
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Codes & Standards
Branch Circuits And AFCIs, 70E's GFCI Requirements And More
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Codes & Standards
New Rules: NEC Additions and Emergency Systems
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Codes & Standards
General Installation Requirements, Part XIII
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Codes & Standards
Pass The Source: The Important Aspects of Transfer Switches
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Trenchless Installation in Richmond, Va.
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