Skip to main content
The Leading Resource of Electrical Design, Construction and Maintenance
National Electrical Code
Design
Construction
Safety
Maintenance, Repair & Operations
Sections
National Electrical Code
Design
Construction
Safety
Maintenance, Repair & Operations
Electric Vehicles
Test & Measurement
Power Quality & Reliability
NECA Show Coverage
Special
Members Only
Podcasts
Videos
Magazine
Webinars
White Papers
Power Lists
Code Quiz of the Week
The Everyday Electrician
Contact
About Us
Contact Us
Subscribe
Newsletters
Content Contributor Guidelines
Advertise
Affiliated Brands
ELECTRICAL WHOLESALING
ELECTRICAL MARKETING
AMERICAN SCHOOL & UNIVERSITY
CODE CHANGE CONFERENCES
Follow us on
https://www.facebook.com/ElectricalConstructionMaintenanceMagazine
https://www.instagram.com/ecmmagazine/
https://www.linkedin.com/company/electrical-construction-maintenance/
https://twitter.com/ecmmagazine
https://www.youtube.com/user/ecmwebtv
2020 National Electrical Code Changes
The Academy of Industrial Arts
Monique Mobley, an electrical apprentice in Philadelphia, tying in a connection to the utility company. It's her first electrical service, 200 amps.
Training
The Apprentice’s Guide to Article 220
Best practices for performing branch-circuit, feeder, and service load calculations
Sept. 8, 2022
© Casey Dunn Photography
Emergency lighting control is an essential aspect of commercial space design.
Lighting & Control
How to Meet UL 924 Requirements for Emergency Lighting
June 21, 2022
nec logo
National Electrical Code
NFPA Makes Corrections to Sec. 314.17 in the NEC
April 13, 2022
Fig. 1. The distance between raceway entries enclosing the same conductor must be at least 6 times the trade size of the largest raceway.
Code Basics
Taking the Mystery Out of Sizing Pull Boxes and Junction Boxes
March 2, 2022
Fig. 1. This circuit arrangement violates the tap rules in the NEC.
Code Basics
Why Tap a Feeder in the First Place?
Feb. 8, 2022
Courtesy of Emerson.
LED luminaire lifetimes are reaching 100,000+ hours, meaning they can last 10 years or more, depending on the ambient temperature of the installation location.
Lighting & Control
Safely Lighting Hazardous Environments
Dec. 4, 2020
More than 2 million residential solar systems are in service. Many of them have disconnect enclosures that are unsecured, posing a danger to homeowners.
Safety
Locking Up the Residential Solar Market
May 19, 2020
Ecm Gfci Feature 0420 Pr
National Electrical Code
Recent Rule Changes for GFCI Protection
April 17, 2020
Ecm Inspector Intel 0220 1
National Electrical Code
Kitchen Islands and New Receptacle Requirements in the 2020 NEC
Feb. 18, 2020
Looking for Something?
Load More Content
