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
Get It Running: Motor conductor ampacity, motor ratings and code letters
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Codes & Standards
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Codes & Standards
The Winds of Change: Staying grounded with a new code edition
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Codes & Standards
Bonding Locknuts, Required Receptacle Outlets and More
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Codes & Standards
GFCI and AFCI: What’s the difference and where to install each one?
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Codes & Standards
Installing Service Conductors: Serving up the service, part 2
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Codes & Standards
Wisconsin Updates National Electrical Code to 2023 Edition
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Codes & Standards
Stay Focused on the Code Changes
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Codes & Standards
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Codes & Standards
Serving Up the Service: Important terminology to know
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Codes & Standards
Commercial Bathrooms, Identifying Conductors and More
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Codes & Standards
GFCIs Save Lives: Proper installation and testing of these products
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Codes & Standards
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Codes & Standards
A Review of Chapter 3: 2027 NFPA 70E update, part 3
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Codes & Standards
Switched On: What’s new in Chapter 4 of the 2026 NEC
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Codes & Standards
Tunnel Vision: Don’t forget about NFPA 70B, NFPA 70E and UL standards
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Codes & Standards
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Codes & Standards
NFPA Could Allow More Time for Outdoor GFCIs
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Codes & Standards
Avoiding Overfill: Splices and splicing devices in box fill calculations
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Codes & Standards
A Series in Review: The wiring backbone, part 16
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