The Blog

Welcome to the DES Blog. We hope you enjoy our posts. Please feel free to reach out to us if you have any questions or comments.

NOTE: Content within this blog is for informational and/or entertainment purposes only.

AC Motors Explained

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...

What is a Shunt

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

Eddy Current Drive

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

Reading a Motor Nameplate

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

LED Lights Flickering

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

NEMA Ratings Explained

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

Lighting and Safety

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 on Motors

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

Lightning Strike Map

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