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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More Codes & Standards Articles
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![Article 370 - Outlet, Device, Pull and Junction Boxes, Conduit Bodies and Fittings, Part III]()
Codes & Standards
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![Overcurrent Protection for Motor Installations, Part II]()
Codes & Standards
Overcurrent Protection for Motor Installations, Part II
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![Flexible Metal Conduit Length, Use of the Term 'Tap' Conductor for High-temp Wires]()
Codes & Standards
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![NEC and OSHA Add to Confusion about GFCIs]()
Codes & Standards
NEC and OSHA Add to Confusion about GFCIs
Aug 15, 2000 -
![Splices and Conductor Fill in Enclosures and Wireways]()
Codes & Standards
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![Grounded Conductor ID, Outside Branch Circuits and Feeders, Services, Lighting Fixtures, and More]()
Codes & Standards
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![CODE Q &A]()
Codes & Standards
CODE Q &A
Jul 15, 2000 -
![Outlet, Device, Pull and Junction Boxes, Conduit Bodies, and Fittings: Article 370-Box Fill Calculations, Part II]()
Codes & Standards
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![To Ground or Not to Ground-That Is the Question]()
Codes & Standards
To Ground or Not to Ground-That Is the Question
Jul 15, 2000 -
![Defining Effective Grounding in Article 250]()
Codes & Standards
Defining Effective Grounding in Article 250
Jul 15, 2000 -
![Article 210 - Branch Circuits]()
Codes & Standards
Article 210 - Branch Circuits
Sep 15, 2001 -
![Adequate Short-circuit, Ground-fault, and Overload Protection]()
Codes & Standards
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![Installing Cable TV in a Nursing Home Facility]()
Codes & Standards
Installing Cable TV in a Nursing Home Facility
Sep 15, 2001 -
![Grounding in Patient Care Areas, Overcurrent Protection for Motors, and More]()
Codes & Standards
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![Article 210 - Branch Circuits]()
Codes & Standards
Article 210 - Branch Circuits
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![Structured Wiring Systems - A New Concept or a Reincarnation?]()
Codes & Standards
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![Conduits Entering the Bottom of a Switchboard, Connecting Electric Drive Fire Pumps, and More]()
Codes & Standards
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![Using a Two-Pole Breaker to Feed Split-Wired Receptacles with Break-off Tabs]()
Codes & Standards
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![Temperature Limitations for Electrical Connections, Part 1]()
Codes & Standards
Temperature Limitations for Electrical Connections, Part 1
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Codes & Standards
Separating Voice/data from Power Conductors
Feb 15, 2000
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