ABYC Electrical Verified Exam Questions and Answers Latest update
2026/2027
Question:
higher voltage increased capacity
Answer:
2 or More batteries connected in series provides_________, or in parallel to provide_________
Question:
hydrogen
Answer:
Batteries gas of what
Question:
the engine negative terminal or the DC main negative bus
Answer:
If an AC system is installed the main AC system grounding bus shall be connected to what?
Question:
isolation transformer isolates all current crying AC system conductors and the AC drowning
conductor, Polarization transformers do not isolate the AC grounding conductor.
Answer:
Difference between an isolation transformer and polarization transformer
Question:
800 100
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
Question:
green white
Answer:
with 120Volt systems, the _______ and ________ get tied together at an AC power source, but only at
a source of AC power.
, Question:
the inverter is operating in AC production mode
Answer:
Inverters are only tied together when......
Question:
10 feet
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
Question:
Metal straps or clamps
Answer:
All AC cables from the shore power inlet to the main shore power breakers shall be in conduit or
supported by means of____________
Question:
neutrals
Answer:
Boats with more than one shore power inlet should never connect ________ together from multiple
inlets.
Question:
Galvanic isolator
Answer:
What is the only device permitted to be installed in series with the AC grounding conductor Durring
an installation of an galvanic isolator conductors shall be supported and/or clamped to relive strain
within ______inches of isolator case The galvanic isolator shall be provided with wiring terminals or
wire leads for connection, having an ampacity that is __________ percent of its nominal rating.
Question:
step up or step down voltage from one side of the transformer to the other
Answer:
Isolation transformers offer engineers the ability to do what?
2026/2027
Question:
higher voltage increased capacity
Answer:
2 or More batteries connected in series provides_________, or in parallel to provide_________
Question:
hydrogen
Answer:
Batteries gas of what
Question:
the engine negative terminal or the DC main negative bus
Answer:
If an AC system is installed the main AC system grounding bus shall be connected to what?
Question:
isolation transformer isolates all current crying AC system conductors and the AC drowning
conductor, Polarization transformers do not isolate the AC grounding conductor.
Answer:
Difference between an isolation transformer and polarization transformer
Question:
800 100
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
Question:
green white
Answer:
with 120Volt systems, the _______ and ________ get tied together at an AC power source, but only at
a source of AC power.
, Question:
the inverter is operating in AC production mode
Answer:
Inverters are only tied together when......
Question:
10 feet
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
Question:
Metal straps or clamps
Answer:
All AC cables from the shore power inlet to the main shore power breakers shall be in conduit or
supported by means of____________
Question:
neutrals
Answer:
Boats with more than one shore power inlet should never connect ________ together from multiple
inlets.
Question:
Galvanic isolator
Answer:
What is the only device permitted to be installed in series with the AC grounding conductor Durring
an installation of an galvanic isolator conductors shall be supported and/or clamped to relive strain
within ______inches of isolator case The galvanic isolator shall be provided with wiring terminals or
wire leads for connection, having an ampacity that is __________ percent of its nominal rating.
Question:
step up or step down voltage from one side of the transformer to the other
Answer:
Isolation transformers offer engineers the ability to do what?