120v 20a Plug Wiring. The two devices are intentionally. The 2 silver screws on the left are for the neutral wires white.
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The one on the right is a NEMA 520P and has a maximum rating of 20A. 15 and 20 amp plugs will fit into a 20 amp receptacle. A 20A plug simply WILL NOT fit a 15A receptacle.
Wire gauge is denoted by a whole number ranging from 0000 to 40.
A receptacle is a device that supplies power to an electrical load through a cord and plug. In 110v plug wiring youre dealing with 14- or 12-gauge wire. Wire gauge is denoted by a whole number ranging from 0000 to 40. The 2 silver screws on the left are for the neutral wires white.
