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
Sizing Conductors, Part XXI
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Codes & Standards
Sizing Conductors, Part XX
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Codes & Standards
Cords For Temporary Wiring
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Codes & Standards
If It Ain't Broke ...
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Codes & Standards
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Codes & Standards
Staying High and Dry
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Codes & Standards
Sizing Conductors, Part XIX
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Codes & Standards
Protecting Conductors, Undercabinet Lighting and More
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Codes & Standards
Marking Requirements, Short-Circuit Ratings and More
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Codes & Standards
What a Tragedy
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Codes & Standards
Is Switching the Neutral OK?
Nov 15, 2012 -
Codes & Standards
Sizing Conductors, Part XVIII
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Codes & Standards
The Return to Normalcy
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Codes & Standards
Overcurrent Device Sizing, Transformers and More
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Codes & Standards
Outdoor Overhead Requirements
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Codes & Standards
Sizing Conductors, Part V
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Codes & Standards
Widen Pipe, or Reduce the Juice
Oct 15, 2011 -
Codes & Standards
Sizing Conductors, Part XIII
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Codes & Standards
Signage Discrepancies, Counting Conductors and More
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Codes & Standards
Putting It in Reverse
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