ABYC ELECTRICAL STUDY 3 Verified Exam Questions and Answers Latest update 2026/2027

ABYC ELECTRICAL STUDY 3 Verified Exam Questions and Answers
Latest update 2026/2027

Question:
1. ALL OF THE FOLLOWING COULD CAUSE A CONDUCTOR TO OVERHEAT
EXCEPT

Answer:
INSULATION TEMPERATURE RATING TOO LOW

Question:
1. THE MINIMUM BATTERY RESERVE CAPACITY IN HOURS OR MINUTES FOR
SUPPLIED BATTERY POWER IS_____BASED ON ABYC

Answer:
90 MINUTES

Question:
what is ohm's law the measure of

Answer:
resistance

Question:
1. TECH A SAYS THAT A FAULTY CIRCUIT BREAKER COULD REQUIRE AN
OVERHAUL. TECH B SAYS THAT CIRCUIT BREAKERS USED IN RECREATIONAL
MARINE APPLICATIONS MUST BE REPLACED IF FOUND DEFECTIVE. WHICH TECH IS
CORRECT?

Answer:
TECH B

Question:
1. THE MAXIMUM ALLOWABLE VOLTAGE DROP PERMITTED FOR PANELBOARD
DC FEEDERS BASED ON ABYC IS

Answer:
3%

, Question:
1. WHEN INSTALLING A 120 VOLT RECEPTACLE IN A GALLEY, THE TECHNICIAN
SHOULD DO ALL OF THE FOLLOWING EXCEPT

Answer:
INSTALL THE RECEPTACLE IN THE COUNTERTOP

Question:
1. TO TEST A 120V AC ELEMENT IN A WATER HEATER, THE TECHNICIAN SHOULD
RUN A

Answer:
CONTINUITY TEST

Question:
1. IF RESISTANCE IS ADDED TO A SERIES CIRCUIT, THE CURRENT FLOW

Answer:
DECREASES

Question:
1. WHEN CLAMPING A SHORE POWER CORD AND ACTIVATING AC CIRCUITS ONE
BY ONE, THE TECHNICIAN NOTICES THAT THE AC LEAKAGE CURRENT MEASURED
KEEPS GETTING HIGHER AS EACH APPLIANCE IS TURNED ON. THIS MOST LIKELY
INDICATES

Answer:
A NEUTRAL-TO-GROUND LINK AT THE BOAT'S AC PANEL BOARD

Question:
1. THE RMS MULTIPLIER YOU USE TO DETERMINE HARMONIC DISTORTION IN AN
AC POWER SUPPLY IS

Answer:
1.414

Question:
1. A POLARITY INDICATOR LIGHT THAT IS GLOWING MORE DIMLY THAN
NORMAL COULD BE AN INDICATOR OF

Answer:
AN OPEN CIRCUIT IN THE NEUTRAL-TO-GROUND LINK AT AN AC GENERATOR