AK General Contractor Practice Questions - Alaska General Contractor Exam

What is the OSHA requirement for ground-fault circuit interrupter (GFCI) protection on construction sites?

GFCIs are optional All 120-volt, single-phase, 15- and 20-ampere receptacles not part of a permanent building wiring must be GFCI-protected Only circuits near water require GFCIs GFCIs are only required in residential construction

Correct Answer:

All 120-volt, single-phase, 15- and 20-ampere receptacles not part of a permanent building wiring must be GFCI-protected

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