Quick Links Take a Practice Exam Contribute to the Site Browse the Exams About this Site Privacy Policy Terms & Conditions Site Map New User Log In Examine My Cookies Contact WebMaster   Exams4Pilots Forum Forum Home - Latest News - Testimonials - Tips & Tricks - Stuck Mike - Bug Reports - Feature Request	SiteMap You are here: home->amg->A05->A.8.0.7.2.A.1 8072 When referring to an electrical circuit diagram, what point is considered to be at zero voltage? A) The circuit breaker. B) The ground reference. C) The switch.

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