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
Get It Running: Motor conductor ampacity, motor ratings and code letters
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When I was new to the electrical construction industry, I worked with a journeyman electrician on a job site who asked me to connect a new electric motor in the building’s electrical equipment room.
Codes & Standards
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Healthcare Applications: CQD Spotlight
Oct 16, 2026
CQD Spotlight features questions and answers from NECA and ELECTRICAL CONTRACTOR’s Code Question of the Day program. Whether you’re a seasoned contractor, an apprentice or simply a National Electrical Code enthusiast, you’ll gain knowledge with a nod to the legacy of Charles M.
...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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![What Needs to Be Connected to an EGC: Connecting up to Code, part 10]()
Codes & Standards
What Needs to Be Connected to an EGC: Connecting up to Code, part 10
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![Delving Into the Text: Selective coordination and series rating, part 2]()
Codes & Standards
Delving Into the Text: Selective coordination and series rating, part 2
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![Taking EGCs From Concept to Reality: Connecting up to Code, part 9]()
Codes & Standards
Taking EGCs From Concept to Reality: Connecting up to Code, part 9
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![Know the Basics: Understanding electrical grounding concepts and performance]()
Codes & Standards
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![Podium-Style Construction: Pitfalls and compliance tips for wiring mixed-use buildings]()
Codes & Standards
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![Leakage Current at Marinas, Raceway as GEC and More]()
Codes & Standards
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![No More ‘Run It Until It Fails’: NEC rules for maintaining electrical equipment]()
Codes & Standards
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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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![Proper Project Preparation: Traversing the complexities of EV charging installations]()
Codes & Standards
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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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Codes & Standards
Arc Flash Risk Assessments: Are we getting it right?
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