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
Branch-Circuit, Feeder and Service Calculations, Part LIII
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Codes & Standards
Cement Dust, Requirements for Transformer Installations and More
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Codes & Standards
How Are They Used?
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Codes & Standards
Cutting Edge of Technology?
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Codes & Standards
Dwelling Unit Receptacles, NEC Annex Explanations and More
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Codes & Standards
What's the Story?
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Codes & Standards
Fittings into Hubs
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part LII
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Codes & Standards
Men into Space
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Codes & Standards
Get out of Here!
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part LI
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Codes & Standards
Cable Tray Under Raised Floors, Outdoor Space Wiring and More
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Codes & Standards
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Codes & Standards
Peacekeeper
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Codes & Standards
Multiple LFMC Issues, Back-Fed OCPDs and More
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Codes & Standards
Occupancy Limit: 2011
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Codes & Standards
A Flash in the Plan
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Codes & Standards
Satisfying Conditions
Mar 15, 2010 -
Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLIX
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Codes & Standards
Baseboard Heaters, Grounding With Rebar and More
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Trenchless Installation in Richmond, Va.
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