What is the minimum approach distance for unqualified workers to exposed energized parts operating at 480 volts?

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Multiple choice — select the best answer

A5 feet
B3 feet
C10 feet
D15 feet

✓ Correct answer: C. 10 feet OSHA requires unqualified workers to maintain at least 10 feet of distance from exposed energized parts operating at 480 volts. This distance helps prevent electrical shock or arc flash injuries to workers who lack the training to work safely with high-voltage equipment.

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