USCG USCG Electrical
Set 5 • Question #134 of 142
Launch Interactive Practice Room What is the maximum current allowed to be drawn from the secondary of a 2 KVA step-down transformer with a turns ratio of four to one if connected across a 440 volt line?
A
1.1 amps
B
4.5 amps
C
18.1 amps
✓ Correct Answer
D
22.7 amps
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'What is the maximum current allowed to be drawn from the secondary of a 2 KVA step-down transformer with a turns ratio of four to one if connected across a 440 volt line', the compliant technical standard is: '18.1 amps'.
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