Wiring Methods for PV Systems

The wiring methods permitted for solar photovoltaic systems can be found in Part IV of Art. 690.

July 21, 2014

Exposed PV source and output circuits operating at greater than _____ must be installed in a Chapter 3 wiring method anytime the conductors are installed in a(n) _____ location.

a) 30V, accessible
b) 30V, readily accessible
c) 60V, accessible
d) 60V, readily accessible

See answer and applicable Code reference

The correct answer is: b) 30V, readily accessible

The wiring methods permitted for solar photovoltaic systems can be found in Part IV of Art. 690. As noted in a portion of 690.31(A), "Where photovoltaic source and output circuits operating at maximum system voltages greater than 30V are installed in readily accessible locations, circuit conductors shall be installed in a raceway."