Sizing Equipment Grounding Conductors for PV Modules

Where exposed and subject to physical damage, PV array equipment grounding conductors smaller than 4 AWG must be protected by raceway or cable armor.

a) True
b) False

See answer and applicable Code reference

The correct answer is: b) False

The provisions of Art. 690 apply to solar photovoltaic (PV) electric systems. The grounding requirements for PV systems are outlined in Part V of this Article. As per Sec. 690.46, "Equipment grounding conductor

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