6.a. Arcing in manual starters is eliminated by the use of A. overload relays. B. nonconductive contacts. C. blowout coils. D. spring-loaded handles. 6.b. Chattering of AC contactors is prevented by A. blowout coils. B. air gaps. C. secondary windings. D. shading poles.

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6.a. Arcing in manual starters is eliminated by the use of
A. overload relays.
B. nonconductive contacts.
C. blowout coils.
D. spring-loaded handles.
6.b. Chattering of AC contactors is prevented by
A. blowout coils.
B. air gaps.
C. secondary windings.
D. shading poles.

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