ABYC Marine Electrical - Questions With Correct
Explanations
If Voltage at shore power goes up under additional loads this is
indicative of.... Correct Answer - Ground/ Neutral connection
ELCI trips at how many mA? Correct Answer - 30 miliamps
@100 ms
One horsepower = _________ Watts Correct Answer - 746 watts
Most common type of circuit fault is? Correct Answer -
unwanted open
If Voltage increase then Amps _________? Correct Answer -
increase
If circuit resistance increases then Amps __________ Correct Answer
- Decrease
Resistance on grounding conductor should not exceed _____ ohms
Correct Answer - .25
GFCI trips at _____mA Correct Answer - 5
ELCI needs to be with ____ feet of power inlet. Correct Answer -
10 ft
When is it ok for Neutral and Ground to connect on boat? Correct
Answer - At new power source, i.e. generator, inverter, or
Isolation Transformer
How many miliamps make an Amp? Correct Answer - 1000
, What is the max Amps that can be ran through Friction connectors?
Correct Answer - 20 Amps
What is the exception for wire Guage attached with wing nuts?
Correct Answer - Must be 8 AWG or smaller.
Cabling should be supported every ______ inches. Correct Answer -
18"
Exception for cabling support at the battery ends allows for up to
_______ inches to facilitate connection to batteries. Correct Answer
- 36"
Use of appropriate wire stripping tool is necessary to prevent____
Correct Answer - Strand loss
Strand loss in stripping could affect ______ handling capability of
conductor. Correct Answer - amperage
What tool is the best choice for crimping battery cable Guage sized
conductors? Correct Answer - box crimper
How far should wire protrude beyond barrel of typical crimp
connector? Correct Answer - slightly
Use appropriate mandrel in crimp tool for all _______ Correct
Answer - connectors
A _______ test value is used to quantify proper crimp. Correct
Answer - pull
For Ohms Law ________ is divided by amps to get Ohms Correct
Answer - Volts
Explanations
If Voltage at shore power goes up under additional loads this is
indicative of.... Correct Answer - Ground/ Neutral connection
ELCI trips at how many mA? Correct Answer - 30 miliamps
@100 ms
One horsepower = _________ Watts Correct Answer - 746 watts
Most common type of circuit fault is? Correct Answer -
unwanted open
If Voltage increase then Amps _________? Correct Answer -
increase
If circuit resistance increases then Amps __________ Correct Answer
- Decrease
Resistance on grounding conductor should not exceed _____ ohms
Correct Answer - .25
GFCI trips at _____mA Correct Answer - 5
ELCI needs to be with ____ feet of power inlet. Correct Answer -
10 ft
When is it ok for Neutral and Ground to connect on boat? Correct
Answer - At new power source, i.e. generator, inverter, or
Isolation Transformer
How many miliamps make an Amp? Correct Answer - 1000
, What is the max Amps that can be ran through Friction connectors?
Correct Answer - 20 Amps
What is the exception for wire Guage attached with wing nuts?
Correct Answer - Must be 8 AWG or smaller.
Cabling should be supported every ______ inches. Correct Answer -
18"
Exception for cabling support at the battery ends allows for up to
_______ inches to facilitate connection to batteries. Correct Answer
- 36"
Use of appropriate wire stripping tool is necessary to prevent____
Correct Answer - Strand loss
Strand loss in stripping could affect ______ handling capability of
conductor. Correct Answer - amperage
What tool is the best choice for crimping battery cable Guage sized
conductors? Correct Answer - box crimper
How far should wire protrude beyond barrel of typical crimp
connector? Correct Answer - slightly
Use appropriate mandrel in crimp tool for all _______ Correct
Answer - connectors
A _______ test value is used to quantify proper crimp. Correct
Answer - pull
For Ohms Law ________ is divided by amps to get Ohms Correct
Answer - Volts
