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HVAC Electrical Basic Practice Test - # 8 -7/7/17 Exam Questions And Answers
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HVAC Electrical Basic Practice Test - # 8 -7/7/17 Exam Questions And Answers All electrical installations must meet the ______________ : a. NEC b. ASHRAE c. NFPA d. OSHA - ANS NEC In a three phase supply system, each phase is ___________ with each other: a. 45 degrees b. 180 degrees ...
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