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
Supply on the Ground
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Codes & Standards
How Many Is Too Many?
Mar 15, 2012 -
Codes & Standards
Medical Emergency
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Codes & Standards
Pedal to the Metal
Jun 15, 2009 -
Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XL
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Codes & Standards
Neon Transformers, Circuit Breakers as Switches and More
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXVIII
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Codes & Standards
Residential Calculations: Estimating Elements of the Electrical System
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Codes & Standards
Getting Your Ducts In a Row
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Codes & Standards
Outdoor Air Conditioning GFCIs, Locked-up Panelboards and More
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Codes & Standards
New Building Standards to Save Money and Power
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Codes & Standards
Sizing Conductors, Part XVI
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Codes & Standards
Sizing Grounding Electrode Conductors, Restroom Receptacles and More
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Codes & Standards
Arbiter of an Argument
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Codes & Standards
Which Is It?
Sep 15, 2012 -
Codes & Standards
NEC 2014 Outlook
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Codes & Standards
Not as Easy as It Looks
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Codes & Standards
Loop Length, Underground Feeders and More
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Codes & Standards
Here's Your Sign
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Codes & Standards
The Shady Side of PVs
Apr 15, 2012
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Trenchless Installation in Richmond, Va.
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