Codes & Standards
News and stories about electrical codes and standards—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

Service Disconnects: Requirements for location, grouping and more
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There are long-standing general rules in the National Electrical Code that apply specifically to service disconnects. One of the first things to realize is that the word “service” in the phrases “service disconnect,” “service drop” and “service lateral,” by definition, implies
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Islands and Peninsulas: CQD Spotlight
Apr 15, 2025
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
...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
Pennsylvania, Philadelphia Update Building Energy Codes
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Codes & Standards
ICC Announces Efforts to Expand Codes for Building Safety and Security
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Codes & Standards
Generator Grounding Essentials: The Basic Requirements
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Codes & Standards
Motors, Motor Circuits and Controllers, Part V: Article 430
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Codes & Standards
Overload or Not? Manual Transfer of Optional Standby Loads
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Codes & Standards
County Fair GFCIs, Documentation and More
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Codes & Standards
ICC Combines Solar Energy Standards and Provisions in One Document
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Codes & Standards
2020 NEC First Draft Now Open for Review and Public Comment
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Codes & Standards
Overcurrent Protection: Steps to Use for Motor Circuits and Motors
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Codes & Standards
Motors, Motor Circuits and Controllers, Part IV: Article 430
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Codes & Standards
No More Guesswork: Determining and Calculating Existing Loads
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Codes & Standards
Opening Doors, Multiwire Branch Circuits and More
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Codes & Standards
Revisiting Voltage Around the Pool Area
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Codes & Standards
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Codes & Standards
Motors, Motor Circuits and Controllers, Part III: Article 430
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Codes & Standards
Better to Comply Than Repair: Terminations and Power Distribution Blocks
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Codes & Standards
Busway Switches, Reconditioned Equipment and More
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Codes & Standards
Prescriptive Versus Performance Rules: Where the NEC Comes In
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Codes & Standards
Motors, Motor Circuits and Controllers, Part II: Article 430
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Codes & Standards
Misunderstood After All This Time: Isolated Grounding
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