ABYC ELECTRICAL STUDY 3 questions
and answers 2025
1. ALL OF THE FOLLOWING COULD CAUSE A CONDUCTOR TO OVERHEAT EXCEPT: - ANSWER
INSULATION TEMPERATURE RATING TOO LOW
1. THE MINIMUM BATTERY RESERVE CAPACITY IN HOURS OR MINUTES FOR SUPPLIED BATTERY
POWER IS_____BASED ON ABYC - ANSWER 90 MINUTES
what is ohm's law the measure of - ANSWER resistance
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
1. THE MAXIMUM ALLOWABLE VOLTAGE DROP PERMITTED FOR PANELBOARD DC FEEDERS
BASED ON ABYC IS: - ANSWER 3%
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
1. TO TEST A 120V AC ELEMENT IN A WATER HEATER, THE TECHNICIAN SHOULD RUN A -
ANSWER CONTINUITY TEST
1. IF RESISTANCE IS ADDED TO A SERIES CIRCUIT, THE CURRENT FLOW - ANSWER DECREASES
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
1. THE RMS MULTIPLIER YOU USE TO DETERMINE HARMONIC DISTORTION IN AN AC POWER
SUPPLY IS: - ANSWER 1.414
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
1. TO ACTUALLY VIEW HARMONIC DISTORTION A TECHNICIAN MIGHT USE A - ANSWER
OSCILLOSCOPE
1. ALL OF THE FOLLOWING APPLIANCES COMMONLY USED ON NEW BOATS CAN BE AFFECTED
BY EXCESSIVE HARMONIC DISTORTION EXCEPT, - ANSWER WATER HEATERS
1. INDUSTRY ACCEPTED STANDARDS FOR HARMONIC DISTORTION LEVELS ARE NORMALLY
______ AS A MAXIMUM - ANSWER 2-3%
1. THE TOOL OF CHOICE BASED ON THE STUDY GUIDE FOR CHECKING AC WIRING ON A BOAT IS
THE: - ANSWER SURE TEST
1. APPROPIATE BONDING CONDUCTOR SIZING FOR A SYSTEM TIED IN TO OFFER LIGHTNING
PROTECTION IS ___________ BASED ON ABYC. - ANSWER 6 AWG
1. THE MOST COMMON TOOL USED IN A CORROSION SURVEY IS A(N): - ANSWER PORTABLE
HULL POTENTIAL METER
and answers 2025
1. ALL OF THE FOLLOWING COULD CAUSE A CONDUCTOR TO OVERHEAT EXCEPT: - ANSWER
INSULATION TEMPERATURE RATING TOO LOW
1. THE MINIMUM BATTERY RESERVE CAPACITY IN HOURS OR MINUTES FOR SUPPLIED BATTERY
POWER IS_____BASED ON ABYC - ANSWER 90 MINUTES
what is ohm's law the measure of - ANSWER resistance
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
1. THE MAXIMUM ALLOWABLE VOLTAGE DROP PERMITTED FOR PANELBOARD DC FEEDERS
BASED ON ABYC IS: - ANSWER 3%
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
1. TO TEST A 120V AC ELEMENT IN A WATER HEATER, THE TECHNICIAN SHOULD RUN A -
ANSWER CONTINUITY TEST
1. IF RESISTANCE IS ADDED TO A SERIES CIRCUIT, THE CURRENT FLOW - ANSWER DECREASES
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
1. THE RMS MULTIPLIER YOU USE TO DETERMINE HARMONIC DISTORTION IN AN AC POWER
SUPPLY IS: - ANSWER 1.414
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
1. TO ACTUALLY VIEW HARMONIC DISTORTION A TECHNICIAN MIGHT USE A - ANSWER
OSCILLOSCOPE
1. ALL OF THE FOLLOWING APPLIANCES COMMONLY USED ON NEW BOATS CAN BE AFFECTED
BY EXCESSIVE HARMONIC DISTORTION EXCEPT, - ANSWER WATER HEATERS
1. INDUSTRY ACCEPTED STANDARDS FOR HARMONIC DISTORTION LEVELS ARE NORMALLY
______ AS A MAXIMUM - ANSWER 2-3%
1. THE TOOL OF CHOICE BASED ON THE STUDY GUIDE FOR CHECKING AC WIRING ON A BOAT IS
THE: - ANSWER SURE TEST
1. APPROPIATE BONDING CONDUCTOR SIZING FOR A SYSTEM TIED IN TO OFFER LIGHTNING
PROTECTION IS ___________ BASED ON ABYC. - ANSWER 6 AWG
1. THE MOST COMMON TOOL USED IN A CORROSION SURVEY IS A(N): - ANSWER PORTABLE
HULL POTENTIAL METER
