Marvelous Two Wire Outlet

Add 1 for each hot and neutral wire entering the box 1 for all of the wire clamps and 2 for each receptacle.

Two wire outlet. Wire the new electrical outlet. You d also add 1 if you had any ground wires multiply this figure by 2 for 14 gauge wire and 2 25 for 12 gauge wire to get the minimum box volume in cubic inches. Old fashioned two prong receptacles also known as outlets connected to two wire cables don t have the ground wires that protect people and electrical devices in case of a fault.

Let s at least not make the un grounded and two wire circuit electrical outlet even more dangerous by installing the wrong receptacle type. Yet it is possible to retrofit a new three prong or gfci receptacle into the same outlet box without any rewiring as long as the box itself is grounded. Keep in mind that while a two wire circuit may be permitted and legal in some jurisdictions it is not as safe as an electrical circuit and receptacle that has a grounding conductor.

Black hot wire to a gold colored terminal screw. With each outlet connected by its own pigtail wire if one fails because of physical damage the other won t be affected and should still work. Such as false ground.

Connect the new wires to the new outlet. Strip 5 8 inches of insulation from the end of each wire with the cable strippers. This keeps each duplex receptacle connected directly to the gfci.

A how to video on wiring an electrical outlet. The line terminals on the gfci are connected to the circuit source and the load terminals are connected to each following outlet with a pigtail splice. Bend the end of all three wires into a u with the long nose pliers.

Mount the new box in the opening. Here s the formula to figure the minimum box size required by the nec. Installing a receptacle that includes a third opening for the wall plug s ground connector is dangerous if the circuit is not really grounded.