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.
Latest Articles
Codes & Standards
Wisconsin Updates National Electrical Code to 2023 Edition
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On Sept. 1, the Wisconsin Department of Safety and Professional Services (DSPS) announced it adopted the 2023 National Electric Code (NEC). The state had previously been using the 2017 edition with amendments.
Codes & Standards
Stay Focused on the Code Changes
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We have had multiple large-loss fires over the years that have impacted, and continue to impact, code development. Each of these fires caused code changes, and often multiple codes were changed.
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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Codes & Standards
What Are We Protecting From? The wiring backbone, part 13
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Codes & Standards
Power to the Branches: Essential electrical systems, part 2
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Codes & Standards
Risky Business: Evolution and adoption of the NEC
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Codes & Standards
You’re (Un)grounded: When to not ground a system, and why
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Codes & Standards
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Codes & Standards
Determining the Load: The wiring backbone, part 12
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Codes & Standards
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Codes & Standards
Work Surface or Countertop Receptacles, Kitchen Renovation and More
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Codes & Standards
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Codes & Standards
Protecting Like It’s 1999: Changes in AFCI requirements
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Codes & Standards
Get a Load of These Occupancies: The wiring backbone, part 11
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Codes & Standards
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Codes & Standards
Horticultural Lighting Equipment, Temporary Splices and More
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Codes & Standards
All in the Group: Know gray areas in the code
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Codes & Standards
Code Change-Up
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Codes & Standards
Reshuffling the Deck: Readying the 2026 NEC for a major rewrite for 2029
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Codes & Standards
Building the Foundation: Key changes to articles 90–130 of the 2026 NEC
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Codes & Standards
Nondwelling Receptacle Requirements: The wiring backbone, part 10
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Codes & Standards
Cogitating on Labels: Common arc flash safety questions, part 3
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Codes & Standards
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