SafetyQuestion 439 of 521
Live parts operating at 50 volts or more must be guarded against accidental contact by:
a.A warning sign posted nearby
b.Painting the parts a bright red color
c.Approved enclosures, or location in a room/vault accessible only to qualified persons, or suitable elevation
d.Wrapping them in electrical tape
Explanation
Guarding of live parts is achieved through approved enclosures, access limited to qualified persons, or elevation out of reach. A sign, paint, or tape does not physically prevent accidental contact and is not an acceptable guarding method for exposed energized parts at 50V or more.
Law Reference: 2023 NEC §110.27Practice all 521 questions free — no signup required.
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