When a selector switch or pilot device is used to control the solenoid of a power contactor and the switching contacts of the contactor are used to control the run status of the electric motor, the contactor can be used to amplify the ability of the switch or pilot device in two ways:
To increase the ____________ rating and/or the ___________ rating.
A) amperage; current
B) amperage; voltage
C) voltage; amperage
D) none of the answers
Show Answer
Answer:B
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