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

Contractors, Assemble! Specific requirements outlined in Article 518
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The National Electrical Code provides minimum requirements for electrical systems installed in places of assembly. The first item to review is what constitutes such a place, based on NEC requirements.

UPS in Common Installations: The NEC needs more information on these systems
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UPS systems are commonly used in residential, commercial and industrial installations. These systems provide emergency and critical power, standby power for computers and backup power for critical applications in medical facilities, among many other applications
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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Diving Into the Nitty Gritty: Accepting (NEC) change, part 5
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Transformer Overcurrent Protection: How to safeguard 1,000V and less
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Be Specific When it Comes to ‘Panelboards’
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Taking Care of the Farm: Protecting livestock from stray voltages
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Examining Adjustments to Chapter 2: Accepting (NEC) change, part 6
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Agricultural Building Wiring, Unlisted Appliances and More
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Exit Hardware, Bonding Around Hot Tubs and More
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More on 2023’s Chapter 2 Updates: Accepting (NEC) change, part 7
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Microgrid Systems: The power production of the future?
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Explosion-Proof Equipment: Reviewing a protection technique
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Requirements for Dedicated IT Rooms: Applying the NEC and NFPA 75
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Article 100 Revisions and Additions: Accepting (NEC) change, part 3
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Wiring Types for Barns, Flexible Fittings and More
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The Earth Beneath Your Feet: Rules for corner-grounded systems
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