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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Sizing Conductors, Part VI
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Sizing Conductors, Part IV
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Codes & Standards
Home Well Grounding, Conductors Sharing a Neutral and More
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Codes & Standards
Gonna Pump You Up
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Codes & Standards
Don't Be Uptight
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Sizing Conductors, Part III
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In the Balance
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Mount Up
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Codes & Standards
Sizing Conductors, Part II
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Codes & Standards
Hanging by a Thread
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Codes & Standards
Sizing Conductors
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Panelboard Overcurrent Devices, Garage Receptacles and More
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Codes & Standards
Bonding Raceway, GFCI Nuisance Tripping and More
May 15, 2011 -
Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part LXIII
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Codes & Standards
It's Almost Here: The 2012 NFPA 70E
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Codes & Standards
Where the Wind Blows
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