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

Service Disconnects: Requirements for location, grouping and more
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There are long-standing general rules in the National Electrical Code that apply specifically to service disconnects. One of the first things to realize is that the word “service” in the phrases “service disconnect,” “service drop” and “service lateral,” by definition, implies
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Islands and Peninsulas: CQD Spotlight
Apr 15, 2025
CQD Spotlight features questions and answers from NECA and ELECTRICAL CONTRACTOR’s Code Question of the Day program. Whether you’re a seasoned contractor, an apprentice or simply a National Electrical Code enthusiast, you’ll gain knowledge with a nod to the
...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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Grounding and Bonding: Why, What and How. Connecting up to Code, part 3
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Drip Pans, Burial Depth Measurements and More
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What on Earth? Connecting up to Code, part 2
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Ampacity Calculations: Cable tray installations can be tricky, part 2
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Cable Tray Installations Can Be Tricky: Definitions make the difference
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Powering Progress: A case study on the importance of fault current
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Codes & Standards
Connecting up to Code: Understanding grounding and bonding
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Touching Base With the Codes: What’s new in the LSC and IBC?
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Edison Base Fuse, Voltage Drop and More
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Maintenance Requirements, Corrosive Environments and More
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Underground Installations: Armored clad cable Type AC
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Push It to the Limit: Intentionally overloading an electrical system
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Exploring the Rabbit Holes: A beginner’s journey, part 4
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