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
Meeting the Goal: Electric shock, electrical burns and other hazards
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The stated purpose of NFPA 70E is to provide a practical safe working area for employees relative to hazards arising from the use of electricity.
Codes & Standards
Green Wire Nuts, Emergency Lighting Controls and More
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Jim Dollard has an extensive background in codes and standards. Send questions about 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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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part Part XLIII
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Codes & Standards
Metal Roofing, Oil-Change Buildings and More
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Codes & Standards
Storage Battery Disconnects, Generators for Fire Pumps and More
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLII
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Codes & Standards
Apply as Needed
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Codes & Standards
Coordinating Codes
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Codes & Standards
Continuing Change
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLI
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Codes & Standards
Code Q&A: Conductor Insulation, Utility Room Lighting and More
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Codes & Standards
Transformer Accessibility, Derating Conductors and More
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Codes & Standards
Breath of Fresh Air
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Codes & Standards
Branch Circuit, Feeder and Service Calculations, Part XXXIX
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Codes & Standards
Know the Rules
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Codes & Standards
Diversity Vs. Demand: Don't Be Confused by These Terms
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Codes & Standards
Arcing and Sparking
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXVII
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Codes & Standards
AFCIs, Coin-Operated Machinery and More
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Codes & Standards
The Mark of a Good Product
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXVI
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Codes & Standards
CFLs, Permanent Generators and More
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