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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![Selective Coordination and Series Rating: When and where to apply each system]()
Codes & Standards
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![Counterfeit Breakers, Buck-Boost Transformers and More]()
Codes & Standards
Counterfeit Breakers, Buck-Boost Transformers and More
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![Understanding Grounded Conductors: Connecting up to Code, part 8]()
Codes & Standards
Understanding Grounded Conductors: Connecting up to Code, part 8
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![Jumping on System Bonding Jumpers: Connecting up to Code, part 7]()
Codes & Standards
Jumping on System Bonding Jumpers: Connecting up to Code, part 7
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![Attic Lighting, Accessible Conduit Bodies and More]()
Codes & Standards
Attic Lighting, Accessible Conduit Bodies and More
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![Working on a Multiwire Branch Circuit: Keeping abreast of NEC changes can affect safety on the job]()
Codes & Standards
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![Addressing the Gap: Conductors on the supply side of the service disconnecting means]()
Codes & Standards
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![Bonding Is Your Parachute: Connecting up to Code, part 6]()
Codes & Standards
Bonding Is Your Parachute: Connecting up to Code, part 6
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![Questions in the Pipeline: Sprinkler system grounding and bonding]()
Codes & Standards
Questions in the Pipeline: Sprinkler system grounding and bonding
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![Transformer Overcurrent Protection: An example application at less than 1,000V]()
Codes & Standards
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![Arc Flash Risk Assessments: Are we getting it right?]()
Codes & Standards
Arc Flash Risk Assessments: Are we getting it right?
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![Testing GFCIs, Cable Trays and More]()
Codes & Standards
Testing GFCIs, Cable Trays and More
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![Webinar: How to Quickly and Easily Navigate Digital Codes and Standards]()
Codes & Standards
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![Properly Installing GECs: Connecting up to Code, part 5]()
Codes & Standards
Properly Installing GECs: Connecting up to Code, part 5
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![Is NFPA 72 Too Difficult To Use? Making the code easier for installers]()
Codes & Standards
Is NFPA 72 Too Difficult To Use? Making the code easier for installers
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![Reconditioning Requirements: How the NEC handles this type of electrical equipment]()
Codes & Standards
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Codes & Standards
Another Look: Grounding and bonding for circuits in hazardous locations
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