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
Outlet Boxes in Fire-Rated Construction, Derating Conductors and More
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Get Into Condition
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Fill 'er Up or Shut 'er Down
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Codes & Standards
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Codes & Standards
Managing Change
Oct 15, 2009 -
Codes & Standards
A Tragic Installation
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Codes & Standards
Are Generators Exempt?
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part Part XLIII
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Codes & Standards
Metal Roofing, Oil-Change Buildings and More
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Codes & Standards
Storage Battery Disconnects, Generators for Fire Pumps and More
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLII
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Codes & Standards
Apply as Needed
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Codes & Standards
Coordinating Codes
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Codes & Standards
Continuing Change
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLI
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Codes & Standards
Code Q&A: Conductor Insulation, Utility Room Lighting and More
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Codes & Standards
Transformer Accessibility, Derating Conductors and More
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Codes & Standards
Breath of Fresh Air
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Codes & Standards
Branch Circuit, Feeder and Service Calculations, Part XXXIX
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Codes & Standards
Know the Rules
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