Divine 120 Volt Plug Wire Colors
According to nec a black or red wire must be used as an ungrounded conductor or hot wire.
120 volt plug wire colors. 120 208 240 volt ac wire color codes. 120 208 240 volt ac wiring color codes in usa. The colors adopted as local practice are shown in table below.
Ground the ground wire if present will be white or grey. Dc supply wire color codes. Brown phase 1.
Orange phase 2. No wire with any of those colors can be used for establishing a ground or neutral connection. Negative the wire for the negative current is black.
Black and red wires. Gray or with 2 white stripes. Yellow phase 3.
In fact any color wire except white gray or green may be used in conduit to carry ungrounded power. Black phase 1. The wires inside an nm sheathed cable are color coded to make it possible to identify each one at both ends of the cable and wire correctly.
The coloring is as follows. Us ac power circuit wiring color codes. White or with 3 white stripes neutral.