The War of the Currents – DC will Replace AC

AC power in the home has been around since near the end of the 19th century. Almost all of world’s power distribution infrastructure is based on it. In fact, there was a time when practicality no other technology would work. It had superior transmission efficiency and was compatible with emerging industrial-age motor technology. However, based […]

What is Impedance?

What is Impedance What’s the difference between Impedance and Resistance? We hear the term “impedance” all the time. What is it though? Why not just use the term resistance? That’s because in AC circuits, resistance, which is the opposition to current flow, is called impedance. But unlike resistance, impedance can also include the effects of […]

Electricity – Talk the Talk

Articulating Electrical Behavior is Important As a technician, it is crucial to have a fundamental understanding of how electricity works. It’s also important to articulate that information in a functionally-accurate and understandable way. By effectively describing the electrical scenarios you come across, you can impress your customers, more readily seek assistance from and provide support […]