Ground Fault Circuit Interrupters (GFCI)
A Ground Fault Circuit Interrupter (GFCI) is a specialized electrical device commonly used in areas where electrical outlets are near water sources, such as kitchens, bathrooms, outdoor spaces, and construction sites.
Ground-fault circuit interrupters (GFCIs) must be located at the outlet end of the circuit.
Below are some OSHA rules related to the use of GFCIs on construction sites:
- All 125-volt, single-phase, 15-, 20-, and 30-ampere receptacles on construction sites that are for temporary power and are available for use by employees, must have approved ground-fault circuit interrupters (GFCIs).
- GFCI protection must be located at the outlet end of the circuit. Extension cords or other devices with listed ground-fault circuit interrupter protection are acceptable.
- Receptacles more than 125-volt, single phase, 30-amperes must have protection that complies with GFCI protection above, or an assured equipment grounding conductor program.
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4-5. Where must the GFCI protection be located?
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