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
Grounding Electrodes, SE Cables and More
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Codes & Standards
In the Interim
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Codes & Standards
Pull- and Junction-Box Calculations, Part V
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Codes & Standards
Derating Type NM Cable, Fire Pump Power and More
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Codes & Standards
'I Just Want to Meet Code!'
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Codes & Standards
Pull- and Junction-Box Calculations, Part VI
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Codes & Standards
Generator Connection, Air Conditioning Protection and More
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Codes & Standards
Now Hear This
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Codes & Standards
Pull- and Junction-Box Calculations, Part VII
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Codes & Standards
Transformer Sizes, Metal Clad Cables and More
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Codes & Standards
Mission Critical
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations
Mar 15, 2006 -
Codes & Standards
Assembly Occupancies, Overcurrent Protection and More
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Codes & Standards
A Concept Change
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part III
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Codes & Standards
Overcurrent Protection, Disconnecting Means and Mo
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Codes & Standards
What's Protected?
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Codes & Standards
Bathroom Installations, Circuit Breakers and More
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part V
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part VII
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