Thiết bị & Hệ thốngCâu 327 / 521
A PV system disconnecting means must be installed how?
a.Located only on the roof
b.Readily accessible and plainly marked as the PV system disconnect
c.Optional for systems under 100 volts
d.Concealed behind the inverter cover
Giải thích
Section 690.13 requires the PV system disconnecting means to be readily accessible and to be legibly marked to identify it as the photovoltaic system disconnect. A disconnect hidden on the roof or behind the inverter cover would not be readily accessible as required.
Trích dẫn luật: 2023 NEC §690.13Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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