NABCEP PV Practice Questions - NABCEP PV Installation Professional Certification Exam

According to NEC 690.7, how is the maximum system voltage of a PV array determined?

By multiplying the open-circuit voltage (Voc) by the number of modules in series at STC By multiplying the Voc at STC by the temperature correction factor for the lowest expected temperature By using the maximum power voltage (Vmp) at STC By using the inverter maximum input voltage rating

Correct Answer:

By multiplying the Voc at STC by the temperature correction factor for the lowest expected temperature

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