August 2024

Electrical Construction & Maintenance: Volume 123, Issue 8

2024’s Top Electrical Distributors

Aug. 21, 2024
Acquisitions are reshaping Electrical Wholesaling’s annual ranking of the largest distributors.
Courtesy of Randal Andress
Ground-Fault Protection

Ground-Fault Protection and the Multi-Wire Branch Circuit: A Troubled Marriage

Aug. 20, 2024
The multi-wire branch is here to stay; so is ground fault protection. But we should unite these technologies only when it’s a good match.
Photo 213473953 © SlavkoSereda | Dreamstime.com

Design Guidelines for Electric Fire Pump Power Services – Part 1 of 3

Aug. 19, 2024
One of the most misinterpreted and misapplied NEC requirements in the electrical industry is power service to electric fire pumps.
Courtesy of NETA

Understanding DC Battery Systems

Aug. 19, 2024
Best practices for testing, monitoring, and maintaining these critical systems
Photo 2. This worker is attaching the current clamp from a power quality analyzer to a feeder conductor supplying a three-phase panelboard in a data facility. Study power quality to track down some of those “mysterious” equipment problems.

Top Tips to Improve Your Electrical Troubleshooting Skills

Aug. 19, 2024
Avoiding these common mistakes in electrical system evaluation and diagnosis leads to increased efficiency and reduced downtime.

More content from August 2024

Mike Holt

NEC Requirements for Solar — Part 3

Aug. 19, 2024
Disconnecting means and wiring methods for solar installations must meet requirements specific to solar photovoltaic systems.
Photo 172742531 © Su Wei | Dreamstime.com

Test Your Code IQ — August 2024

Aug. 19, 2024
How much do you know about the National Electrical Code?

EC&M Product of the Year Competition Recognizes Ongoing Innovation

Aug. 16, 2024
Annual competition helps shape electrical equipment landscape by highlighting innovation in new product research and development

Illustrated Catastrophes: Dedicated Space Violation

Aug. 14, 2024
See the latest Code violations from NEC Consultant Russ LeBlanc.

Practically Speaking: Let’s Dig into Sec. 314.29

Aug. 14, 2024
Is this LB installation an NEC violation?

What's Wrong Here? Hint: I Wood Knot Do This if I Were You

Aug. 14, 2024
Can you spot the Code violation in this photo?
Photo 117788060 © Lovelyday12 | Dreamstime.com

Avoiding Uncommon Mistakes on Job Sites

May 22, 2024
How to keep workers safe by avoiding unlikely scenarios