We may receive a commission on purchases made from links. When undertaking DIY electrical projects at home, safety should always come first. Whether you're adding a dimmer switch, installing a new ...

Many low and medium temperature single-phase compressors require some type of external relay to assist in the starting of its motor. The purpose of this relay is to remove the motor’s start winding, ...

Today more and more systems are incorporating microprocessor controllers into their design. Troubleshooting the operation of these controllers can be a little tricky at times, but if broken down into ...

Over the past couple of years, an overload or fault on one branch circuit or another has caused the feeder breaker to trip instead of the branch circuit breaker. Having to troubleshoot several branch ...

A circuit protected by a 1,200A circuit breaker had reached the design maximum of 960A. With 20% headroom, no new loads were added. But with harmonics, power factor, and other contributing problems (e ...