Electrical Codes & Standards
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Codes & Standards
Code Knows: How well do you understand the general requirements?
Article 110 of the National Electrical Code covers the general requirements for the examination, approval, installation and use of electrical equipment, plus the spaces around it. These requirements apply to all installations, except as amended elsewhere in the code.
Codes & Standards
Wired for Change: What’s new for Chapter 3 in the 2026 NEC
The 2026 edition of NFPA 70, the National Electrical Code, brings a range of updates to Chapter 3 governing wiring methods and materials.
2023 NEC Changes
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Codes & Standards
Diversity Vs. Demand: Don't Be Confused by These Terms
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Arcing and Sparking
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Branch-Circuit, Feeder and Service Calculations, Part XXXVII
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AFCIs, Coin-Operated Machinery and More
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Codes & Standards
The Mark of a Good Product
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Branch-Circuit, Feeder and Service Calculations, Part XXXVI
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CFLs, Permanent Generators and More
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Current Events
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Round Up or Round Down
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Do Not Expose
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Codes & Standards
Installation of Electric Motors and Controllers
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXII
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Codes & Standards
Neutral Conductors as Grounds, Wire Ties with Branch Circuits and More
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XXXI
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Overcurrent Protection, Tamper-Resistant Receptacles and More
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No Way Out
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The Sounds of Crisis
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Study Shines New Light on Old Problems Behind the Walls
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Codes & Standards
Which Size Box?
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USE by SE
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