The hair dryer routinely trips the breaker and kills power to the second floor. The kitchen lights dim when you run the ...

Squirt spray lubricant where the shaft comes out of the fan motor. Spin the motor shaft by hand to see if it sounds better. Add more spray lubricant if the squealing sound persists. Reinstall the fan ...

To find the right circuit in the electrical panel, you first plug the socket tester into a socket. Then you go to the panel ...

Light switch wiring is a task that most DIYers can take on themselves without calling an electrician. Follow these steps to wire your switches safely.

The mechanical characteristic test is an important means to evaluate the reliability of circuit breaker. By analyzing the test data and waveform, the tester can intuitively judge whether the ...

This paper introduces the working principle of a new type of combined HVDC circuit breaker, and establishes a simulation model by using PSCAD/EMTDC to solve its breaking stress under bad working ...