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
Ampacity Calculations: Cable tray installations can be tricky, part 2
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Codes & Standards
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Codes & Standards
Cable Tray Installations Can Be Tricky: Definitions make the difference
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Codes & Standards
Powering Progress: A case study on the importance of fault current
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Codes & Standards
Connecting up to Code: Understanding grounding and bonding
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Codes & Standards
Touching Base With the Codes: What’s new in the LSC and IBC?
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Codes & Standards
Edison Base Fuse, Voltage Drop and More
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Codes & Standards
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Codes & Standards
Maintenance Requirements, Corrosive Environments and More
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Codes & Standards
Underground Installations: Armored clad cable Type AC
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Codes & Standards
Push It to the Limit: Intentionally overloading an electrical system
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Codes & Standards
Exploring the Rabbit Holes: A beginner’s journey, part 4
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Powering Progress: A case study on wiring patient care spaces
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Codes & Standards
Emergency Shutoffs, Luminaire Field Evaluations and More
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Codes & Standards
Hidden Gems to Uncover: A beginner’s journey, part 3
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Codes & Standards
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