Codes & Standards
News and stories about electrical codes and standards—including the National Electrical Code, NFPA 72: National Fire Alarm and Signaling Code, NFPA 70E: Standard for Electrical Safety in the Workplace, NFPA 101: Life Safety Code, IEEE standards and more—appear monthly in ELECTRICAL CONTRACTOR Magazine and can be read and shared on ECmag.com. Electrical contractors need these codes to stay safe on the job, and many of the codes also protect those living and working in the buildings serviced by ECs.
Latest Articles

Contractors, Assemble! Specific requirements outlined in Article 518
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The National Electrical Code provides minimum requirements for electrical systems installed in places of assembly. The first item to review is what constitutes such a place, based on NEC requirements.

UPS in Common Installations: The NEC needs more information on these systems
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UPS systems are commonly used in residential, commercial and industrial installations. These systems provide emergency and critical power, standby power for computers and backup power for critical applications in medical facilities, among many other applications
2023 NEC Changes
In his 20-part series, National Electrical Code expert Mark Earley explained all the changes that went into the 2023 edition of the NEC as part of the three-year revision cycle.
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Codes & Standards
Here's Your Sign: Warnings for Backup Systems
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Codes & Standards
Motors, Motor Circuits, and Controllers, Part VIII: Article 430
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Codes & Standards
Cable and Conductor Insulation: A Study of Uses and Application
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Codes & Standards
Unused Opening Citation, Tamper Resistance and More
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Codes & Standards
Important Intricacies: Fire Alarm System Requirements in the NEC
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Codes & Standards
A Look Ahead: Surge Protection for Dwelling Units
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Codes & Standards
Motors, Motor Circuits and Controllers, Part VII: Article 430
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Codes & Standards
Industrial Furnace GFPE, Commercial Equipment Space and More
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Codes & Standards
Arc-Energy Reduction, Defining ‘Qualified’ and More
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Codes & Standards
The Other Electrical Code: What’s So Different About the NESC?
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Codes & Standards
Update on Commissioning: The Latest on NFPA 3
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Codes & Standards
Greater Mobility: Examining NASCLA’s Exams for ECs
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Codes & Standards
Motors, Motor Circuits and Controllers, Part VI: Article 430
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Codes & Standards
IEEE 1584: The Next Edition
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Codes & Standards
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Codes & Standards
Pennsylvania, Philadelphia Update Building Energy Codes
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Codes & Standards
ICC Announces Efforts to Expand Codes for Building Safety and Security
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Codes & Standards
Generator Grounding Essentials: The Basic Requirements
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Codes & Standards
Motors, Motor Circuits and Controllers, Part V: Article 430
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Codes & Standards
Overload or Not? Manual Transfer of Optional Standby Loads
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