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
Transformer Accessibility, Derating Conductors and More
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Codes & Standards
Breath of Fresh Air
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Codes & Standards
Branch Circuit, Feeder and Service Calculations, Part XXXIX
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Codes & Standards
Know the Rules
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Codes & Standards
Diversity Vs. Demand: Don't Be Confused by These Terms
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Codes & Standards
Arcing and Sparking
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXVII
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Codes & Standards
AFCIs, Coin-Operated Machinery and More
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Codes & Standards
The Mark of a Good Product
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXVI
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Codes & Standards
CFLs, Permanent Generators and More
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Codes & Standards
Current Events
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Codes & Standards
Round Up or Round Down
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Codes & Standards
Do Not Expose
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Codes & Standards
Installation of Electric Motors and Controllers
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXII
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Codes & Standards
Neutral Conductors as Grounds, Wire Ties with Branch Circuits and More
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXI
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Codes & Standards
Overcurrent Protection, Tamper-Resistant Receptacles and More
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Codes & Standards
No Way Out
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Trenchless Installation in Richmond, Va.
Certa-Com® Trenchless Conduit PVC Pipe, assembled on-site and installed beneath a Richmond street with minimal traffic obstruction. See it in action.
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