ABYC MARINE ELECTRICAL CERTIFICATION 2024
NEWEST EXAM 270 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS) /A+
GRADE ASSURED
If Voltage at shore power goes up under additional loads this is indicative of.... -
ANSWER: Ground/ Neutral connection
ELCI trips at how many mA? - ANSWER: 30 miliamps @100 ms
One horsepower = _________ Watts - ANSWER: 746 watts
Most common type of circuit fault is? - ANSWER: unwanted open
If Voltage increase then Amps _________? - ANSWER: increase
If circuit resistance increases then Amps __________ - ANSWER: Decrease
Resistance on grounding conductor should not exceed _____ ohms - ANSWER: .25
GFCI trips at _____mA - ANSWER: 5
ELCI needs to be with ____ feet of power inlet. - ANSWER: 10 ft
When is it ok for Neutral and Ground to connect on boat? - ANSWER: At new power
source, i.e. generator, inverter, or Isolation Transformer
How many miliamps make an Amp? - ANSWER: 1000
What is the max Amps that can be ran through Friction connectors? - ANSWER: 20
Amps
What is the exception for wire Guage attached with wing nuts? - ANSWER: Must be 8
AWG or smaller.
Cabling should be supported every ______ inches. - ANSWER: 18"
Exception for cabling support at the battery ends allows for up to _______ inches to
facilitate connection to batteries. - ANSWER: 36"
Use of appropriate wire stripping tool is necessary to prevent____ - ANSWER: Strand
loss
Strand loss in stripping could affect ______ handling capability of conductor. -
ANSWER: amperage
NEWEST EXAM 270 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS) /A+
GRADE ASSURED
If Voltage at shore power goes up under additional loads this is indicative of.... -
ANSWER: Ground/ Neutral connection
ELCI trips at how many mA? - ANSWER: 30 miliamps @100 ms
One horsepower = _________ Watts - ANSWER: 746 watts
Most common type of circuit fault is? - ANSWER: unwanted open
If Voltage increase then Amps _________? - ANSWER: increase
If circuit resistance increases then Amps __________ - ANSWER: Decrease
Resistance on grounding conductor should not exceed _____ ohms - ANSWER: .25
GFCI trips at _____mA - ANSWER: 5
ELCI needs to be with ____ feet of power inlet. - ANSWER: 10 ft
When is it ok for Neutral and Ground to connect on boat? - ANSWER: At new power
source, i.e. generator, inverter, or Isolation Transformer
How many miliamps make an Amp? - ANSWER: 1000
What is the max Amps that can be ran through Friction connectors? - ANSWER: 20
Amps
What is the exception for wire Guage attached with wing nuts? - ANSWER: Must be 8
AWG or smaller.
Cabling should be supported every ______ inches. - ANSWER: 18"
Exception for cabling support at the battery ends allows for up to _______ inches to
facilitate connection to batteries. - ANSWER: 36"
Use of appropriate wire stripping tool is necessary to prevent____ - ANSWER: Strand
loss
Strand loss in stripping could affect ______ handling capability of conductor. -
ANSWER: amperage
