Exam (elaborations)
740 Variable voltage selective-collective control systems (refer to NEIEP simplex or duplex selective-collective wiring diagrams) Questions & Correct Answers/ Graded A+
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The motor generators drive motor (DV) will run on delta through what contacts? : KR 1-2, KR 3-4, and KR 5-6 What three contacts will energize the reverse phase relay and 2RF rectifier? : ER 1-2, ER 3-4, and ER 5-6 In the duplex system, when one car is traveling down to the lobby and the second ...
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