When inspecting module-level power electronics (MLPEs) during pre-commissioning, the technician should verify that each device is:

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Multiple choice — select the best answer

ARated for 600 V AC output
BProperly grounded or bonded per the manufacturer's instructions
CInstalled with at least 6 inches of clearance from adjacent modules
DConfigured to operate at a fixed power set point

✓ Correct answer: B. Properly grounded or bonded per the manufacturer's instructions MLPEs such as microinverters and DC optimizers must be grounded or bonded per the manufacturer's instructions and the NEC to prevent shock hazards and ensure proper fault current paths.

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Topic: Commissioning & O&M

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When inspecting module-level power electronics (MLPEs) during pre-commissioning, the technician should verify that each device is:

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