During a visual pre-commissioning inspection, which condition would be an immediate reason to halt energization?

During a visual pre-commissioning

Multiple choice — select the best answer

AA slightly dusty module surface
BConduit with a single 90-degree bend
CExposed, unprotected DC conductors
DModules installed at a 20-degree tilt

✓ Correct answer: C. Exposed, unprotected DC conductors Exposed, unprotected DC conductors present a shock and arc-flash hazard. NEC and OSHA requirements mandate all conductors be properly insulated and protected before any circuit is energized.

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Topic: Commissioning & O&M

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During a visual pre-commissioning inspection, which condition would be an immediate reason to halt energization?

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