We keep two-pole, 40-amp 24v coil contactors on all of our vans. They are versatile and reliable, and you can replace most residential A/C contactors with them. There are a few things to watch for, though, especially when you have a crankcase heater. Many brands power the crankcase heater constantly and shut it on and […]

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. […]

There's a moral to this story, though it is a bit more of a cautionary tale than most I write. While it doesn't rank with the story of three wise men or even Frank Capra's Christmas classic “It's a Wonderful Life,” you may find some common threads with both learning wisdom and remembering why throwing […]