If you've ever sat close to a bonfire on a really cold night, you may have noticed that your face starts to get really warm. The minute you put your hands up and shield your face from the light of the flame, your face cools off almost immediately. That happens because the flame is heating […]

Relays can be used for many different control applications, including controlling fans, blowers, other relays, or contactors, valves, dampers, pumps, and much more. A 90-340 is a very common, versatile relay that many techs have on their truck. So, we will use it as an example. A relay is just a remotely controlled switch that […]

As a leader, it’s healthy to take a step back and see if you’ve become “That Boss.” You know, the one who nobody wants to work for and who doesn't have a shred of self-awareness. I worked at a large corporation for 5+ years, and it was easy to tell which managers valued employees. It […]