Identifying Circuits in PV Systems

June 11, 2014
Article 690 covers the installation rules for solar photovoltaic systems.

For PV systems, the circuit(s) between modules and from modules to the common connection point(s), of the direct-current system is known as the _____.

a) photovoltaic source circuit
b) photovoltaic array circuit
c) photovoltaic input circuit
d) photovoltaic output circuit

See answer and applicable Code reference

The correct answer is: a) photovoltaic source circuit

The provisions of Art. 690 apply to photovoltaic electrical energy systems. As noted in the definitions section of this Article (690.2), a photovoltaic source circuit is defined as "circuits between modules and from modules to the common connection point(s) of the DC system."

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