USCG USCG Electrical
Set 2 • Question #42 of 142
Launch Interactive Practice Room When reading electrical motor controller diagrams, it helps to know that __________.
A
current paths in the control circuit are drawn as heavy lines and in the power circuit as lighter lines
B
current paths in the power circuit are drawn as heavy lines and in control circuit as lighter lines
✓ Correct Answer
C
circuits subject to 500 volts or greater are drawn as heavy lines and below 500 volts as lighter lines
D
circuits subject to 500 volts or greater are drawn as light lines and below 500 volts as heavy lines
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'When reading electrical motor controller diagrams, it helps to know that', the compliant technical standard is: 'current paths in the power circuit are drawn as heavy lines and in control circuit as lighter lines'.
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