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
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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Codes & Standards
You're Grounded: Electrical System Grounding
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Codes & Standards
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Codes & Standards
Is It an Emergency? Not All Systems Are Created Equal
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Codes & Standards
Arcing Short-Circuit Current: 2018 IEEE 1584, Part 2
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Codes & Standards
Marking Requirements, Code Corrections and More
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Codes & Standards
Safety by Design: Minimizing Hazards and Risks Ahead of Time
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Codes & Standards
The Real Deal: A New Standard for Evaluating ESDs
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Codes & Standards
Room to Breathe: History of Working Space in the NEC, Part 2
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Codes & Standards
Stay Classy: Increasing Current for Power-Limited Circuits
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Codes & Standards
Elevators, Required Maintenance and More
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Codes & Standards
IEEE Releases New 1584 Arc-Flash Hazard Calculations
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Codes & Standards
Approval Factors: Working to Get the Two Magic Words
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Codes & Standards
Mismatched: Should Transfer Switches and Generators Match?
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Codes & Standards
Space, the Final Frontier: History of Working Space in the NEC
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Codes & Standards
Arc Flash and Enclosure Size: IEEE 1584 2018, Part 1
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Codes & Standards
Breaking Down GFPE, Motor Differences and More
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Codes & Standards
New Names in GFPE: The NEC Will Evolve to Recognize New Technologies
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Codes & Standards
Motors, Motor Circuits and Controllers, Part IX: NEC Article 430
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Codes & Standards
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Codes & Standards
Outlet Definition, Service Conductors and More
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