One of the standard things home inspectors look at while inspecting an electrical panel is comparing wire sizes to circuit breakers sizes. When a wire is too small for a circuit breaker, you have a ...

Branch circuits are undoubtedly the most commonly installed circuits in both residential and non-residential applications. And, since they supply the equipment that utilizes the electricity, they are ...

Juan has been a home inspector for 10 years and runs a successful home inspection company in Richmond, VA. He loves inspecting homes, but his real passion is educating home owners and newer inspectors ...

If you have ever read advanced textbooks or papers about electronics, you may have been surprised to see the use of complex numbers used in the analysis of AC circuits. A complex number has two parts: ...

Alternating current (ac) or direct current (dc) circuits are capable of carrying very different currents, as illustrated by the ratings on the switch in Figure 1. This is why it’s so important for ...

Overvoltage protection of AC power lines is a common practice, which encompasses a variety of protection circuit solutions. Most designs are cost-driven and tend to use only the bare minimum of ...

In an effort to meet worldwide efficiency requirements, engineersare designing offline power supplies integrating high-efficiencyswitching-regulator-control circuits. This approachuses less copper and ...

When the mercury rises outside, nailing down why your AC is not cooling becomes a top priority. There are eight common reasons why this happens, including dirty filters, and some of which you can fix ...