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A semicircle on a line, marking a power point.
Also known as: Power point plan symbol, Wall socket symbol, Receptacle plan symbol
On an electrical installation plan a socket outlet is drawn as a semicircle standing on a short line against the wall, marking a point where equipment can be plugged in.
Denotes a socket outlet on an electrical installation drawing.
Contexts: Technical drawing
Takes added strokes for the number of ways and a small line for a switch, so one base symbol covers single, double and switched outlets.
Contexts: Technical drawing
A half-circle sitting on a short straight line drawn against the wall, the flat side against the wall face.