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
NFPA Could Allow More Time for Outdoor GFCIs
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Four years after adopting a temporary exception to a new rule for outdoor GFCIs, the NFPA has proposed extending the 210.8(F) exception for another two years.
Codes & Standards
Avoiding Overfill: Splices and splicing devices in box fill calculations
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I recently attended the 2026 Florida Chapter meeting of the Independent Alliance of the Electrical Industry. One of the questions and the resulting answer seemed somewhat controversial to me.
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
Bone up on Requirements
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![Only Time Will Tell]()
Codes & Standards
Only Time Will Tell
Dec 15, 2008 -
![Article 370 - Boxes, Conduit Bodies, and Fittings]()
Codes & Standards
Article 370 - Boxes, Conduit Bodies, and Fittings
Feb 15, 2001 -
![Safely Installing Electrical and Service Panels in Residential Closets]()
Codes & Standards
Safely Installing Electrical and Service Panels in Residential Closets
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![Dedicating Equipment Space]()
Codes & Standards
Dedicating Equipment Space
Feb 15, 2001 -
![Why Does the Code Mention Design E Motors If No One Makes Them?]()
Codes & Standards
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![Grounding Separately Derived Systems: Part 1 - The Basics]()
Codes & Standards
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![The Differences Between GFCI, IDCI, and GFPE]()
Codes & Standards
The Differences Between GFCI, IDCI, and GFPE
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![Branch Circuits, Overcurrent Protection, Grounding, and More]()
Codes & Standards
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![Article 370 - Pull and Junction Boxes]()
Codes & Standards
Article 370 - Pull and Junction Boxes
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![How Effective Is Overcurrent Protection in the Tap Rules?]()
Codes & Standards
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![Low-voltage Lighting - Listed Systems or Individual Field-assembled Components?]()
Codes & Standards
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![Overcurrent Protection, Access to Working Space, Snap Switches, and More]()
Codes & Standards
Overcurrent Protection, Access to Working Space, Snap Switches, and More
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![Article 370 - Pull and Junction Boxes]()
Codes & Standards
Article 370 - Pull and Junction Boxes
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![Existing Rules Limit the Number of Conductors within a Box]()
Codes & Standards
Existing Rules Limit the Number of Conductors within a Box
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![Code Comments: Why Change a Good Thing?]()
Codes & Standards
Code Comments: Why Change a Good Thing?
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![OVERCURRENT PROTECTION FOR MOTOR INSTALLATIONS: PART ONE]()
Codes & Standards
OVERCURRENT PROTECTION FOR MOTOR INSTALLATIONS: PART ONE
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![CODE QUESTIONS AND ANSWERS]()
Codes & Standards
CODE QUESTIONS AND ANSWERS
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![Up in the Air Over Mounting Transformers]()
Codes & Standards
Up in the Air Over Mounting Transformers
Mar 15, 2000 -
![Conduit Fill and Amapacity Calculations for Low-voltage Systems]()
Codes & Standards
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