ABYC Electrical Exam 2026 Questions
and Answers
Which tool is most approprite to clean battery connections?
A.
B.
C.
D. - Correct answer-
The minimum amp circuit breaker that should be used to protect 120V water heater
circuit with a 1600-watt element would be rated at _________ amps.
A. 15
B. 10
C. 20
D. 30 - Correct answer-A. 15
When testing for excessive EMF emissions near a conductor or appliance, the tool
of choice is a(an):
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,A. Ohmmeter
B. DVOM
C. Gauss meter
D. infrared sensor - Correct answer-C. Gauss meter
The primary problem with using a series circuit to supply multiple loads is that:
A. voltage drop will be excessive
B. the capacitance will be excessive
C. amperage draw will be multiplied
D. the overcurrent protection device may not work - Correct answer-A. voltage
drop across each load will be excessive
The most common electrical circuit problem in a marine application is:
A. short circuits
B. too much continuity
C. unwanted open
D. intercircuit short - Correct answer-C. unwanted open
The primary by-product of excessive electrical resistance is:
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat - Correct answer-D. heat
One horsepower equals ______.
A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts - Correct answer-B. 746 watts
Excessive electrical resistance can be caused by __________.
A. oversized conductors, loose terminals, and corrosion.
B. improper wire insulation and excessive wire strand count.
C. fuses with too high of a rating and wattage that is too low.
D. undersized wire, loose connections, and corrosion. - Correct answer-D.
undersized wire, loose connections, and corrosion.
The tool of choice for tracing shorted and open circuits is the:
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, A. Megohmeter
B. Amp clamp
C. potential meter
D. TDR - Correct answer-D. TDR
What material is recommended for clamping conductors over engines and moving
machinery according to ABYC?
A. PVC
B. Nylon
C. Metal
D. Any of the above material - Correct answer-C. Metal
According to ABYC, acceptable minimum clearance for routing wire near a dry
exhaust section is:
A. 2 in
B. 9 in.
C. 3 in
D. 7 in - Correct answer-B 9 in
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
and Answers
Which tool is most approprite to clean battery connections?
A.
B.
C.
D. - Correct answer-
The minimum amp circuit breaker that should be used to protect 120V water heater
circuit with a 1600-watt element would be rated at _________ amps.
A. 15
B. 10
C. 20
D. 30 - Correct answer-A. 15
When testing for excessive EMF emissions near a conductor or appliance, the tool
of choice is a(an):
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,A. Ohmmeter
B. DVOM
C. Gauss meter
D. infrared sensor - Correct answer-C. Gauss meter
The primary problem with using a series circuit to supply multiple loads is that:
A. voltage drop will be excessive
B. the capacitance will be excessive
C. amperage draw will be multiplied
D. the overcurrent protection device may not work - Correct answer-A. voltage
drop across each load will be excessive
The most common electrical circuit problem in a marine application is:
A. short circuits
B. too much continuity
C. unwanted open
D. intercircuit short - Correct answer-C. unwanted open
The primary by-product of excessive electrical resistance is:
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat - Correct answer-D. heat
One horsepower equals ______.
A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts - Correct answer-B. 746 watts
Excessive electrical resistance can be caused by __________.
A. oversized conductors, loose terminals, and corrosion.
B. improper wire insulation and excessive wire strand count.
C. fuses with too high of a rating and wattage that is too low.
D. undersized wire, loose connections, and corrosion. - Correct answer-D.
undersized wire, loose connections, and corrosion.
The tool of choice for tracing shorted and open circuits is the:
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, A. Megohmeter
B. Amp clamp
C. potential meter
D. TDR - Correct answer-D. TDR
What material is recommended for clamping conductors over engines and moving
machinery according to ABYC?
A. PVC
B. Nylon
C. Metal
D. Any of the above material - Correct answer-C. Metal
According to ABYC, acceptable minimum clearance for routing wire near a dry
exhaust section is:
A. 2 in
B. 9 in.
C. 3 in
D. 7 in - Correct answer-B 9 in
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
