Receptacle Wiring Diagram Examples. Electrical outlet boxes can. The long slot on the left is the neutral contact and the short slot is the hot contact.
One side of the gfci connected to the ground neutral wire as shown white in the diagram and another side to the high potential hot wire shown as black in the diagram shows as in black color. In the diagram below a 2 wire nm cable supplies line voltage from the electrical panel to the first receptacle outlet box. A resistor will be represented with a series of squiggles symbolizing the restriction of current flow.
The black wire line connects to a switch terminal and the black wire of a 3 wire nm cable that travels to the split receptacle box.
Wiring a 20 amp 240 volt appliance receptacle. In the diagram below a 2 wire nm cable supplies line voltage from the electrical panel to the first receptacle outlet box. It contains instructions and diagrams for various varieties of wiring methods as well as other products like lights home windows and so forth. Wiring a grounded duplex receptacle outlet.