Test & Measurement

The latest in electrical test equipment development, installation, and application

Highlights

Photo courtesy of Shermco Industries
ArcFlash

Electrical Testing Quiz: Arc-Flash Reduction Techniques

Oct. 1, 2024
It’s time to test your knowledge on arc-flash reduction techniques.
Schneider Electric

A Deep Dive into Interoperability Testing for Residential Fans with Advanced Function Circuit Breakers

Aug. 22, 2024
NEMA and Schneider Electric reveal results from extensive testing conducted on residential fans.
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.
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.
EC&M Tech Talk — Troubleshooting: Tips & Ideas

EC&M Tech Talk — Troubleshooting: Tips & Ideas

July 1, 2024
Randy Barnett addresses several tips for troubleshooting electrical equipment.
Exciting Times for NFPA 70B

Exciting Times for NFPA 70B

June 17, 2024
Ron Widup sits down with Editor-in-Chief Ellen Parson in an exclusive interview at the PowerTest 24 conference in Dallas to discuss key takeaways from his 3-hr symposium on NFPA...

Electrical Testing Quiz: Partial Discharge Cable Testing

June 12, 2024
It’s time to test your knowledge on this advanced diagnostic testing technique.
Photo 14990047 © OnAir2 | Dreamstime.com

EC&M On Air Highlights How to Avoid Bus Duct Failures with Ron Widup

June 10, 2024
ICYMI, Episode 47 features an audio-only version of a popular EC&M Asks video featuring SME Ron Widup.