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
Motors, Motor Circuits and Controllers, Part IV: Article 430
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Codes & Standards
No More Guesswork: Determining and Calculating Existing Loads
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Codes & Standards
Opening Doors, Multiwire Branch Circuits and More
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Codes & Standards
Revisiting Voltage Around the Pool Area
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Codes & Standards
Motors, Motor Circuits and Controllers, Part III: Article 430
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Codes & Standards
Better to Comply Than Repair: Terminations and Power Distribution Blocks
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Codes & Standards
Busway Switches, Reconditioned Equipment and More
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Codes & Standards
Prescriptive Versus Performance Rules: Where the NEC Comes In
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Codes & Standards
Motors, Motor Circuits and Controllers, Part II: Article 430
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Codes & Standards
Misunderstood After All This Time: Isolated Grounding
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Codes & Standards
Maintenance Requirements, EGCs and More
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Codes & Standards
Web Exclusive ContentESFI Promotes the NEC During National Electrical Safety Month
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Codes & Standards
Motors, Motor Circuits and Controllers: Article 430
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Codes & Standards
Inspection and Approvals: Electrical Prefabrication
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Codes & Standards
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Codes & Standards
Stay Aware: Things to Know About Transformer Installations
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Codes & Standards
Hotel Receptacles, Junction Boxes and More
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Codes & Standards
Roll With the Changes: Required Lighting and Receptacle Outlets
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