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
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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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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Codes & Standards
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Codes & Standards
Arc Energy Reduction, Lightning Protection and More
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Codes & Standards
Workmanship in Electrical Construction: What does it mean?
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Codes & Standards
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Codes & Standards
Code Knows: How well do you understand the general requirements?
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Codes & Standards
Wired for Change: What’s new for Chapter 3 in the 2026 NEC
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