A residential building is being constructed with a 200A main service. Which type of overcurrent protection device is required for the 240V appliance circuits?
- Circuit breakers
- BFuses
- CGround fault circuit interrupters (GFCIs)
- DNone, as long as the wiring is properly sized
Exam tip
Ensure you understand the specific requirements for overcurrent protection for different voltage circuits.
Why A is correct
According to 2024 IRC 210.8(B), all branch circuits supplying 240V appliance circuits must be protected by circuit breakers.