NV C-2C Fire Detection Practice Questions - Nevada C-2C Fire Detection Contractor Examination Exam

Which statement about American Wire Gage (AWG) copper conductors used on fire-detection circuits is correct?

A larger AWG number always has a larger cross-section and lower resistance 18 AWG and 14 AWG copper have the same resistance per foot AWG size has no effect on voltage drop if the circuit is power-limited 14 AWG copper has a larger cross-section and lower resistance per foot than 18 AWG copper

Correct Answer:

14 AWG copper has a larger cross-section and lower resistance per foot than 18 AWG copper

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