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
NFPA Could Allow More Time for Outdoor GFCIs
By
Four years after adopting a temporary exception to a new rule for outdoor GFCIs, the NFPA has proposed extending the 210.8(F) exception for another two years.
Codes & Standards
Avoiding Overfill: Splices and splicing devices in box fill calculations
By
I recently attended the 2026 Florida Chapter meeting of the Independent Alliance of the Electrical Industry. One of the questions and the resulting answer seemed somewhat controversial to me.
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.
Read Articles
More Codes & Standards Articles
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![Article 370 - Boxes, Conduit Bodies, and FittingsGeneral Installation, Sections 370-17 through 370-19]()
Codes & Standards
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![Derating Parallel Conductors]()
Codes & Standards
Derating Parallel Conductors
Sep 15, 2000 -
![Designing by the Code]()
Codes & Standards
Designing by the Code
Sep 15, 2000 -
![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
By -
![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
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