We got a request for an explanation of how AC Motors work. I admit, even for an electrical engineer this can be a complex question. This ...

Counterfeit electrical equipment is all the rage now a days. Here is a quick video on what to look for with CAT5/6 cables to assure you a...

Check out this slide show we found with images of Asbestos containing material. Asbestos can take many forms. Please contact DES or anoth...

Most everyone has heard of the dangers with Federal Pacific Breakers (FPE). Not everyone has heard of the dangers of Zinsco breakers. The...

Excellent video from Galco on the explanation on Electrical Shunts. Feel free to contact us for any of your electrical questions!

We wanted to share this short video of how Eddy Current Drives work. This technology has been largely replaced by VFDs, though sometimes ...

Check out this short video from Galco for how to read a motor nameplate. Nameplates are an important piece of information that can someti...

We have had a lot of questions from the electricians and contractors we support regarding LED bulbs flickering after installation. We wan...

We have been getting a lot of questions regarding NEMA ratings lately. We found this excellent video from Galco that gives a brief overvi...

Whether it is an elderly grandmother walking to her car in the grocery store parking lot or a worker on an assembly line, lighting is an ...

Phase imbalance can significantly reduce the life of electrical equipment. Check out this short video by Galco regarding phase imbalance ...

Take a look at this excellent short video we found on cable tracing. As a reminder SC provides free underground utility identification un...

The Carolinas are prone to lightning strikes. For live strike events see the link below: https://www.lightningmaps.org/blitzortung/americ...

An excellent short info-graphic on Arc Flash PPE, with links to handy quick reference guides. As a remind DES provides Arc Flash Calculat...

If a deal seems too good to be true it likely is. There is a large amount of counterfeit electrical equipment, ranging from breakers to r...

Excellent video showing a teardown of a FPE breaker. These breakers have a high failure rate and are notoriously dangerous. See if you ca...

Mike Holt gives an excellent presentation on grounding, and why it may not always be for your protection.