A mechanical room contains a 480V electrical panel. According to code requirements, what is the minimum working space required in front of the panel?
Correct Answer
C) 4 feet
For electrical equipment operating at 480V (over 150V to ground), the NEC requires minimum 4 feet of working space in front of the equipment for safe operation and maintenance.
Why This Is the Correct Answer
For electrical equipment operating at 480V (over 150V to ground), the NEC requires minimum 4 feet of working space in front of the equipment for safe operation and maintenance.
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