Here is a standard wiring symbol legend showing a detailed documentation of common symbols that are used in wiring diagrams home wiring plans and electrical wiring blueprints. Dont use this receptacle when no ground wire is.

Wire An Outlet
Convenience outlet wiring diagram. Can be existing andor wired with any approved wiring method see diagram 2 2a b. N the red wire is a positive battery powered circuit. The long slot on the left is the neutral contact and the short slot is the hot contact. This is a standard 15 amp 120 volt wall receptacle outlet wiring diagram. Instead use wire connectors to connect the neutral hot and ground wires along with 6 in long pigtails then connect the pigtails to the outlet. Any break or malfunction in one outlet will cause all the other outlets to fail.
This is a polarized device. At least one 1 15 20 ampere convenience receptacle must be located no closer than 6 feet but no further than 20 feet from the outside of the pool wall. This repeats until the end of the chain. For wiring in series the terminal screws are the means for passing voltage from one receptacle to another. And second its easier to press the outlet back into the box if fewer of its screws are connected to wires. Here a switch has been added to control an existing receptacle.
Multiple outlet in serie wiring diagram. Figure 2 fiycopo powered convenience outlet powered option figure 2 when the powered convenience outlet option is installed the unit will include a dedicated transformer located in the evaporator section of the unit. This is how to rough in electrical wiring yourself. Wall outlet switch wiring diagram. Wiring diagrams use simplified symbols to represent switches lights outlets etc. The three pins are connected to three wires inside a protective sheath.
On in ground pools there must be at least one gfci protected convenience outlet located between 6 feet and 20 feet from the edge of the pool. Outlet receptacles for general use can be no closer than 20 feet from a pool or in ground spa if they are not gfci protected and no closer than 6 feet away if they are gfci protected. In the diagram below a 2 wire nm cable supplies line voltage from the electrical panel to the first receptacle outlet box. N the black wire is a negative ground circuit. A grounded contact at the bottom center is crescent shaped. The black wire line and white neutral connect to the receptacle terminals and another 2 wire nm that travels to the next receptacle.
Unit wiring diagram to make the low voltage connections. The hot source at the outlet is spliced to the black wire running to the switch and the hot wires running to the other outlets in. Wiring a grounded duplex receptacle outlet. Unswitched positive n the dark brown wire is a 12 volt positive key switch circuit. 2 convenience receptacle outlet and wiring methods a. To the three pin electrical outlet in the tractor cab as pictured below right.
Additionally a service recep. The switch takes the hot from the middle receptacle here and 3 wire cable runs from there to the new switch location.