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Journeyman Wireman Electrical Test Study Guide NEC

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Journeyman Wireman Electrical Test Study Guide NEC - Larry Bobo Workbook
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Journeyman Wireman Electrical Test Study Guide NEC - Larry Bobo Workbook 1. What is the required input conductor ampacity for a phase converter with a nameplate rating of 56 amperes for full-load single-phase input that supplies variable loads? - Answer: 70 amperes (Reference: Phase Converters, NEC Section 455.6(A)(1)). 2. For a 277/480 volt 3-phase wye service, where should the grounded conductor be run and bonded? - Answer: To each service disconnecting means (Reference: AC systems, gr...

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