Yes, a dryer typically requires a double-pole breaker in its electrical circuit. A double-pole breaker is a type of circuit breaker that is designed to simultaneously disconnect both the hot wires of a 240-volt circuit. This type of breaker is necessary for appliances like dryers, which require a 240-volt power supply.
Dryers usually operate on a 240-volt electrical circuit to provide the necessary power for the heating element and motor. The double-pole breaker ensures that both hot wires are disconnected simultaneously, cutting off the power supply completely when needed, which is important for safety and proper operation.
If a single-pole breaker were used instead of a double-pole breaker for a dryer, only one hot wire would be disconnected, leaving the other hot wire still energized. This could lead to potential hazards and could damage the dryer's electrical components.
When installing or servicing the electrical circuit for a dryer, it's essential to follow the manufacturer's specifications and local electrical codes to ensure safe and proper operation. If you are not experienced with electrical work, it is best to hire a licensed electrician to handle the installation or any modifications to the electrical system.