NABCEP PV Associate Practice Questions - NABCEP Photovoltaic Associate Credential Exam

What is the primary purpose of an equipment grounding conductor (EGC) in a PV system?

To carry the normal operating current from the modules to the inverter To provide a low-impedance path for fault current to facilitate overcurrent device operation To improve the power output efficiency of the PV array To connect the PV system to the internet for monitoring

Correct Answer:

To provide a low-impedance path for fault current to facilitate overcurrent device operation

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