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 XLVII
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Codes & Standards
Outlet Spacing, Parallel Conductors and More
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Codes & Standards
Open for Business: NEC on Signs and Lighting Systems
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Codes & Standards
Fine-Tuning the Code
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Codes & Standards
Motors, Motor Circuits and Motor Controllers
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Codes & Standards
Companions in Safety
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLVI
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLIV
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Codes & Standards
What's With All the Codes?
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Codes & Standards
Room AC Branch Circuits, Outlet Box Knockouts and More
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Codes & Standards
In Sickness and in Safety: GFCI-Protected Receptacles
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Codes & Standards
Pay Attention to the Basics
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Codes & Standards
Healthy Separation
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Codes & Standards
Type NM Cable and More
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Codes & Standards
Spot the Differences
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Codes & Standards
Disconnecting Means, GFCIs and More
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Codes & Standards
Branch-Circuit, Feed and Service Calculations, Part XXXIII
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Codes & Standards
AFCI Basics
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Codes & Standards
Significant Changes for the NEC 2008
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXVII
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Trenchless Installation in Richmond, Va.
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