Electrical Construction & Maintenance
Support of Audio Distribution Cables
Article 640 covers the equipment and wiring for audio signal processing, amplification, and reproduction equipment. read more
Cast Your Vote for EC&M''s 2015 Product of the Year
Since 2000, EC&M subscribers have helped select the Product of the Year Platinum, Gold, and Silver award winners. Once again, we invite you to pick the best of the best oroducts. So what are you waiting for? Vote today and you could win a $100 gift check! This year's deadline for voting is June 30, ...
Minimum Conductor Size for Antennas
Antenna systems are the focus of Part II of NEC Article 810. read more
The L-FORM LED luminaire delivers illumination in narrow suspended or surface-mounted interior applications. read more
Will Mobile Device Technology Enhance or Eliminate Your Job?
We all know what BYOB stands for, but what about BYOD? Content Classification: Curated read more
What's Wrong Here? Hint: Hide-and-Seek Surprise
Discovering what's behind this metal wireway cover would surprise most electricians. read more
Code Q&A: Tap Conductor Rules in Dwelling Units
Q. What are the tap conductor requirements to supply household ranges, wall-mounted ovens, and counter-mounted cooking units? read more
Code Quiz: Definition of Hermetic Refrigerant Motor Compressor
A hermetic refrigerant motor compressor consists of a compressor and motor, both of which must be enclosed in _____ ______ ______, with no external shaft or shaft seals, with the motor operating in the refrigerant. read more
Who's Got the Power?
In Art. 100 of the 2014 National Electrical Code (NEC), the term Authority Having Jurisdiction (AHJ) is defined as "An organization, office, or individual responsible for enforcing the requirements of a code or standard, or for approving equipment, materials, an installation, or a procedure." read m...