Which component energizes and protects the load bank control circuits?

Which component energizes and protects the load bank control circuits?

• A. Main Power Switch
• B. Control Power Circuit Breaker
• C. Ground Fault Relay
• D. Overload Protector

Answer: (B)

Providing control power to the load bank’s control circuits and protecting that power feed is the job of the control power circuit breaker. It supplies the necessary control voltage from the main source to the control circuitry and acts as a protective device, tripping if there’s an overload or fault in the control wiring. The main power switch just handles the overall system power and doesn’t specifically protect or energize the control circuits. A ground fault relay monitors for leakage to ground but doesn’t energize the control circuits, and an overload protector guards the main load feeders rather than the control power path. So the control power circuit breaker is the component that both energizes and protects the load bank control circuits.

Providing control power to the load bank’s control circuits and protecting that power feed is the job of the control power circuit breaker. It supplies the necessary control voltage from the main source to the control circuitry and acts as a protective device, tripping if there’s an overload or fault in the control wiring. The main power switch just handles the overall system power and doesn’t specifically protect or energize the control circuits. A ground fault relay monitors for leakage to ground but doesn’t energize the control circuits, and an overload protector guards the main load feeders rather than the control power path. So the control power circuit breaker is the component that both energizes and protects the load bank control circuits.