Ohm’s Law – The Most Important Thing you may Never Use

Why do I need Ohm’s Law? Why would Appliance or HVAC Technicians need to use Ohm’s Law in the field? I mean, are they really going to break out the calculator while diagnosing an electrical problem? Probably not. But Ohm’s Law is about a lot more than just finding voltage, current, or resistance. It rather […]

Can I use a 240v Appliance on a 208v System?

Introduction One question I’ve been asked many times in this business is whether a 240v electric appliance can be used on a 208v electrical system. Some apartment buildings use what’s known as 3-phase power, as opposed to the more commonly used single split-phase configuration that comprises the vast majority of residential electric power. This blog […]