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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More Codes & Standards Articles
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![Sizing an Equipment Grounding Conductor for a Tap]()
Codes & Standards
Sizing an Equipment Grounding Conductor for a Tap
Sep 15, 2000 -
![Branch Circuits, Lampholders, Motor Controllers, and More]()
Codes & Standards
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![Branch Circuit, Feeder, and Service Calculations, Motors and Their Circuits and More]()
Codes & Standards
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![Properly Installing Nonmetallic Cable-Part II]()
Codes & Standards
Properly Installing Nonmetallic Cable-Part II
May 15, 2000 -
![Installation of Nonmetallic Sheathed Cable, Exposed or in a Raceway]()
Codes & Standards
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![Temperature Limitations for Electrical Connections, Part II]()
Codes & Standards
Temperature Limitations for Electrical Connections, Part II
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![Clarifying the Fuzziness Surrounding 'Qualified Person' Language Requires Careful Examination]()
Codes & Standards
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![Confusion with On-site Generators]()
Codes & Standards
Confusion with On-site Generators
May 15, 2000 -
![Code Changes Require Technical Substantiation]()
Codes & Standards
Code Changes Require Technical Substantiation
Nov 15, 2001 -
![The Code In Focus--Article 210 - Branch Circuits]()
Codes & Standards
The Code In Focus--Article 210 - Branch Circuits
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![Testing and Maintaining Life Safety Systems]()
Codes & Standards
Testing and Maintaining Life Safety Systems
Nov 15, 2001 -
![Wiring in Ducts, Plenums, and Other Air-handling Spaces]()
Codes & Standards
Wiring in Ducts, Plenums, and Other Air-handling Spaces
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![Electrical Installation Requirements, Overcurrent Protection, Grounding, and Transformers and Their Vaults]()
Codes & Standards
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![What Does Article 300 Cover?]()
Codes & Standards
What Does Article 300 Cover?
Dec 15, 2001 -
![Electrical Installation Requirements, Overcurrent Protection, Lighting Fixtures, and More]()
Codes & Standards
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![The Code In Focus - Article 210 - Branch Circuits]()
Codes & Standards
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![Article 210 - Branch Circuits]()
Codes & Standards
Article 210 - Branch Circuits
Jan 15, 2002 -
![2002 NEC Adds High-voltage Requirements]()
Codes & Standards
2002 NEC Adds High-voltage Requirements
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![Power Supply for a Fire Pump, Stranded Conductors on Receptacles, Kitchen Light Switches, and More]()
Codes & Standards
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![Field Marking of Arc Flash Hazards]()
Codes & Standards
Field Marking of Arc Flash Hazards
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