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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Motors, Motor Circuits and Motor Controllers
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Companions in Safety
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Branch-Circuit, Feeder and Service Calculations, Part XLVI
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Branch-Circuit, Feeder and Service Calculations, Part XLIV
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What's With All the Codes?
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Room AC Branch Circuits, Outlet Box Knockouts and More
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In Sickness and in Safety: GFCI-Protected Receptacles
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Pay Attention to the Basics
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Healthy Separation
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Type NM Cable and More
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Spot the Differences
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Codes & Standards
Disconnecting Means, GFCIs and More
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Codes & Standards
Branch-Circuit, Feed and Service Calculations, Part XXXIII
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AFCI Basics
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Codes & Standards
Significant Changes for the NEC 2008
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Branch-Circuit, Feeder and Service Calculations, Part XXVII
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Codes & Standards
Residential Wiring
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Codes & Standards
Adopting the NEC
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Disconnects for Branch Circuits, Deep Fryers and More
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Settling Disagreements
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