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
D.Contactors are made from silver and relays are made from copper
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A.short proof
B.ground proof
C.explosion proof
D.overload proof
A.AC
B.DC
C.generator
D.fresh water generator
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