D {Ans: Excessive electrical resistance can be caused by _____________. A. Oversized conductors,
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loose terminals, and corrosion B. improper wire insulation and excessive wire strand C. Fuses with too high of a rating and watt to low D. Undersized wire, loose connections, and corrosion}
B
{Ans: When the decision is made to abandon old wiring, the tech should A.
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