USCG USCG Electrical
Set 1 • Question #23 of 142
Launch Interactive Practice Room When troubleshooting electronic equipment, you should use a high impedance multimeter __________.
A
to prevent excess current flow through the meter that would damage it
B
for AC measurements only and a low resistance meter for DC measurements
C
whenever a low impedance meter is not available, regardless of the components being tested
D
so as not to load down the circuit and obtain erroneous voltage readings
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'When troubleshooting electronic equipment, you should use a high impedance multimeter', the compliant technical standard is: 'so as not to load down the circuit and obtain erroneous voltage readings'.
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