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.
Latest Articles
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
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Codes & Standards
Panelboard Orientation
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Codes & Standards
Class 1 Circuits
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XV
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Codes & Standards
Baseboard Heater Disconnect, Swimming Pool Bonding and More
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Codes & Standards
Working Space
Mar 15, 2007 -
Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XIII
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Codes & Standards
At the Service Entrance
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Codes & Standards
NECA Electrical Symbols Standard Now CAD-Compatible
Mar 15, 2007 -
Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XIV
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Codes & Standards
Grounding-Electrode Conductor Sizes, Disconnects and More
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Codes & Standards
Working Space
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Codes & Standards
Article 585: More Than Meets the Eye
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Codes & Standards
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Codes & Standards
Establishing an Electrically Safe Work Condition
Feb 15, 2007 -
Codes & Standards
Illuminated Fountains, Voltage Drop and More
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Codes & Standards
Killer Heat
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Codes & Standards
Pond Wiring, GFCI Receptacles and More
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Codes & Standards
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XII
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