Receptacle Wiring Diagram With Aluminum Wire. You wiring it up exactly the same. When installing or replacing 120 volt 15 amp or 20 amp switches and outlet receptacles where aluminum wiring has been installed the aluminum wires should be spliced together and a copper wire pigtail should be added.
In the diagram below a 2 wire nm cable supplies line voltage from the electrical panel to the first receptacle outlet box. This wiring allows for source voltage at each outlet independent of the others in the circuit. Connect the bare ground wire to the green ground screw.
Coalr or cu al or coalr device warning with aluminm wire.
Connect the bare ground wire to the green ground screw. In the diagram below a 2 wire nm cable supplies line voltage from the electrical panel to the first receptacle outlet box. Homes are believed to have solid aluminum branch circuit wiring. Today americans homes draw more electrical current through these aging circuits.