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  1. A circle off of the wall and connected to it by two parallel lines represents a typical outlet (or receptacle) with two sockets. Abbreviations and numbers next to the duplex provide additional information.
    mtcopeland.com/blog/Guide-to-Common-Electrical …
    Red is hot (110 volts) black is also hot (110 volts) = 220 volts. White is neutral and is the returned path back to the transformer on the road.
    www.askmediy.com/220-volt-plugs-receptacles-con…
     
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  8. Decoding the symbols in AC wiring diagrams

    WEBOne of the most fundamental symbols in AC wiring diagrams is the power supply symbol. It represents the source of electrical power, such as a battery or wall outlet. This symbol is usually represented as a circle or …

  9. Electrical Symbols For Floor Plans - Plansremodel

    WEBFeb 3, 2024 · Outlet Symbols: Represent outlets for connecting electrical devices, such as power outlets, USB ports, and data outlets. Switch Symbols: Indicate the location of switches for controlling lights or other …

  10. AC power plugs and sockets - Wikipedia

    WEBA socket (also known as a receptacle or outlet) is fixed in place, often on the internal walls of buildings, and is connected to an AC electrical circuit. Inserting ("plugging in") the plug into the socket allows the device to draw …

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