Maintenance Assistant Interview Questions and Answers

A single pole switch controls the flow of electricity in a single conductor, while a double pole switch controls the flow in two conductors.

• Single pole switch: Controls one conductor in an electrical circuit

• Double pole switch: Controls two conductors in an electrical circuit

• Constant voltage for AC supply: Maintains a steady voltage level for the power supply

• Single phase AC supply: Uses a single alternating current waveform

• Three phase AC supply: Uses three alternating current ...read more