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NABCEP PV Installation Professional (PVIP) Board Certification PVIP Question # 16 Topic 2 Discussion

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NABCEP PV Installation Professional (PVIP) Board Certification PVIP Question # 16 Topic 2 Discussion

PVIP Exam Topic 2 Question 16 Discussion:
Question #: 16
Topic #: 2

An installer was asked to provide a means to measure the voltage of each battery in a system. The bank is located 50 ft.

From the data logger. The installer will be using shielded. Twisted pairs of instrumentation wiring, all run in the bundle a conduct.

The signals are connected to isolated and ungrounded inputs at a data logger. Which safely precaution is MOST needed to protect the instrumentation wiring?
A.

Each set of twisted pairs must be provided with properly rated fuses that are physically located at the battery.

B.

The instrument wiring must be large (larger than # 18 AWG) to handle current from each battery and must be a double- insulated type.

C.

Individual nonfused disconnects are required for each set of wiring because all of the signals must be isolated from each other.

D.

An appropriately rated and sized of resistive elements for each twisted pair be located at, or very near to, the data logger terminals

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Actual exam question for NABCEP PVIP exam by Zara1798 at Aug 3, 2025, 12:00:00 AM

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