(313D) Residential Air Conditioning Systems Mechanic Certification Practice Test
(313D) Residential Air Conditioning Systems Mechanic Certification 313D Electrical Systems and Controls Questions and Answers
What is the primary function of a contactor in a residential air conditioning condensing unit?
Select your answer
A
To step down the voltage for the control circuit.
B
To switch the high-amperage loads of the compressor and condenser fan motor.
C
To protect the circuit from overcurrent conditions.
D
To store an electrical charge to help the motors start.
Hint
