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
Dwelling Unit Receptacles, NEC Annex Explanations and More
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Codes & Standards
What's the Story?
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Codes & Standards
Fittings into Hubs
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part LII
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Men into Space
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Codes & Standards
Get out of Here!
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part LI
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Codes & Standards
Cable Tray Under Raised Floors, Outdoor Space Wiring and More
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Codes & Standards
Peacekeeper
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Codes & Standards
Multiple LFMC Issues, Back-Fed OCPDs and More
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Codes & Standards
Occupancy Limit: 2011
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Codes & Standards
A Flash in the Plan
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Codes & Standards
Satisfying Conditions
Mar 15, 2010 -
Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLIX
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Codes & Standards
Baseboard Heaters, Grounding With Rebar and More
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Codes & Standards
Branch-Circuit, Feeder and Service Calculations, Part XLVII
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Codes & Standards
Outlet Spacing, Parallel Conductors and More
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Codes & Standards
Open for Business: NEC on Signs and Lighting Systems
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Codes & Standards
Fine-Tuning the Code
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