USCG USCG Electrical
Set 1 • Question #6 of 142
Launch Interactive Practice Room Which of the following statements represents the main difference between a relay and a contactor?
A
Contactors control current and relays control voltage.
B
A relay is series connected and a contactor is parallel connected.
C
Contactors can handle heavier loads than relays.
✓ Correct Answer
D
Contactors are made from silver and relays are made from copper.
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'Which of the following statements represents the main difference between a relay and a contactor', the compliant technical standard is: 'Contactors can handle heavier loads than relays.'.
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