ABYC Electrical Exam Questions with Correct Answers

Higher voltage increased capacity Correct Answer 2 or More batteries connected in series provides_________, or in parallel to provide_________ Hydrogen Correct Answer Batteries gas of what The engine negative terminal or the DC main negative bus Correct Answer If an AC system is installed the main AC system grounding bus shall be connected to what? Isolation transformer isolates all current crying AC system conductors and the AC drowning conductor, Polarization transformers do not isolate the AC grounding conductor. Correct Answer Difference between an isolation transformer and polarization transformer 800 100 Correct Answer A battery switch shall be installed in the positive conductors from each battery or battery bank with a CCA rating greater than _____amperes or _____Ah if CCA is unavailable Green white Correct Answer with 120Volt systems, the _______ and ________ get tied together at an AC power source, but only at a source of AC power. The inverter is operating in AC production mode Correct Answer Inverters are only tied together when...... 10 feet Correct Answer A standard based issue states that in shore power systems overcorrect protection be located no more than ______ from the point of inlet into the boat Metal straps or clamps Correct Answer All AC cables from the shore power inlet to the main shore power breakers shall be in conduit or supported by means of____________ Neutrals Correct Answer Boats with more than one shore power inlet should never connect ________ together from multiple inlets. Galvanic isolator Correct Answer What is the only device permitted to be installed in series with the AC grounding conductor 6 Correct Answer Durring an installation of an galvanic isolator conductors shall be supported and/or clamped to relive strain within ______inches of isolator case