Color is usually the best way to identify electrical wiring all wiring looks the same on the inside, but the outside coverings come in different colors if the person who installed the wiring followed regulations, the house wiring colors should give away the identity of the hot and neutral wires the standard color for your hot wire is black. Wire color code hot neutral. According to nec, a black or red wire must be used as an ungrounded conductor or hot wire in fact, any color wire except white, gray or green may be used in conduit to carry ungrounded power no wire with any of those colors can be used for establishing a ground or neutral connection.
wire color code hot neutral
But sometimes there is no clear color distinction between the two wires: you'll need to trace the wiring and use a dmm or vom to figure out which wire is "hot" and which is neutral or ground 120v / 240v a/c electrical wiring color codes & conventions: canada wire insulation color alternative wire colors line voltage, single phase. The international electrotechnical commission (or iec) has established a wire color code for most european countries for ac “branch” circuits. phase 1 - brown phase 2 - black phase 3 - grey neutral - blue ground - green with yellow stripe. canadian ac wiring color codes. wiring color code standards are set in place by the canadian electric. The new color code is introduced recently (although the old convention is pretty much still widely used). in the new color code for electrical wires, brown is used for live (or line), blue is used for neutral conductor and green for earth. in case of a three phase power supply, the combination of red, yellow and blue are used for the active.
get link reference