No, a double-pole 20-amp circuit breaker is not 40 amps. A double-pole 20-amp breaker is designed to deliver 240 volts of electricity while maintaining a maximum current threshold of 20 amps per individual hot leg. It bridges two separate 120-volt bus bars to power heavy appliances like water heaters or air conditioners, but it does not combine or double its amperage capacity. Pulling more than 20 amps across the circuit will cause the internal thermal-magnetic trip mechanism to open.
1 votes
Marked as accepted