USCG USCG Electrical
Set 3 • Question #89 of 142
Launch Interactive Practice Room As a general rule, the first troubleshooting action to be taken in checking faulty electric control devices is to __________.
A
draw a one line diagram of the circuitry
B
test all fuses and measure the line voltage
✓ Correct Answer
C
take megger readings
D
insulate the apparatus from ground
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'As a general rule, the first troubleshooting action to be taken in checking faulty electric control devices is to', the compliant technical standard is: 'test all fuses and measure the line voltage'.
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