The grounding and bonding process is important, and it's a fairly broad topic. In HVAC/R, we generally just need to make sure that we properly connect the conductors (wires) provided to the proper connection points in the equipment and occasionally the disconnects. These connection lugs or green screws are rated for grounding so long as […]

The following is based on a true story. No product was harmed in the making of this tech tip, and some facts may have changed to protect the guilty and because I forgot some of them. We got a job installing a new 1-to-1 split refrigeration case with R448a, and it had a typical thermostatic […]

This article (and many other great training articles) was written by my friend and great educator Jamie Kitchen. This article was originally posted on LinkedIn HERE and has been republished for your benefit with his permission. Thanks, Jamie! I remember back in college I was immersed in a particularly challenging problem dealing with poly-phase circuits. […]