Question

Where do we use a double pole switch?

Answer 1

1. A double pole switch consists of two hot wires with a single neutral wire and it works at $240volt$ of the circuit or provides two separate circuits of $120volt$.
2. We use a double pole switch circuit to control the lights of the circuit.
3. We use double pole switches in an electrical staircase, electrical water heaters, air conditioners and so on.