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If you live in a country which uses them, just look at a wall outlet in your apartment or house! But, if you live elsewhere, then take a look at the Related Questions and Related Links shown below. A single phase 120V duplex outlet (two "separate"receptacles) has a smaller prong/blade (for the black hot wire), a larger blade (for the neutral, a white wire) and of course the semi-circular or "tunnel" ground hole (for the green wire to the wall box) that makes up the outlet.
120V outlets come in two sizes for normal residential 15A & sometimes 20A. Typically you will see a 15A receptacle. You can go to a Home Depot or Lowes (or any electrical hardware store) and physically look at one closeup.
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How do you determine if an outlet is after or before the gfci?
You can determine if an outlet is after a GFCI by pressing the "test" button on the GFCI outlet. If the GFCI trips and cuts off power to the outlet, then that outlet is downstream from the GFCI. If power is not cut off, then that outlet is upstream from the GFCI.
Do all electrical outlets in a garage need to be GFCI?
It is recommended to have GFCI protection for all electrical outlets in a garage to help reduce the risk of electric shocks. This would typically involve installing a GFCI outlet at the beginning of the circuit to protect the rest of the outlets downstream.
Is an outlet plug that says gfci on it but doesn't have a reset button really a gfci outlet?
No, a GFCI outlet should have a reset button. If the outlet plug is labeled as a GFCI but doesn't have a reset button, it may not actually be a GFCI outlet or it may be missing a key safety feature. It is important to have a properly functioning GFCI outlet to protect against electrical shocks.
Will GFCI work properly if 240 volt split into one 3 wire 120 volt circuit?
No, a GFCI outlet is designed for use with standard 120-volt circuits. Attempting to use a GFCI outlet with a 240-volt split circuit could cause damage to the outlet, the circuit, and could present a safety hazard. It is not recommended to use a GFCI outlet in this manner.
If your wall receptacle has tripped but not at the circuit breaker how can this problem be repaired?
If the wall receptacle has tripped but not at the circuit breaker, it could be a faulty GFCI outlet. Try pushing the reset button on the GFCI outlet itself to restore power. If that doesn't work, you may need to replace the GFCI outlet. Make sure to turn off the power at the breaker before attempting any repairs.
