The identified conductor is white or natural grey in color. If you are using a zip cord (Lamp cord) is is the conductor with the ribs on it.
there is no color code requirement for the GEC. You are only prohibited from using white or gray.
Green and green with a yellow tracer.
Grounded conductor is white 120/240 volt & gray 480 volt. Grounding conductor is green or green with yellow.
In house wiring it's typically a bare copper wire. It may occasionally be green.
In most installations in a two wire circuit the colour will be black. In a three wire circuit there will be two ungrounded conductors using a colour code of black and red.
For wiring in the USA the Neutral conductor is required to be white or gray by the National Electrical Code.
The National Electrical Code requires that the neutral wire is to be designated as the "identified" conductor. Method differ, but look for ridges, lines, or writing on one of the wires.
Grounded conductor is white 120/240 volt & gray 480 volt. Grounding conductor is green or green with yellow.
In residential 120 VAC, single-phase electrical wiring, there are three main types of electrical wires: 1. Ungrounded conductor (Hot, and sometimes called "Line" or "Phase") 2. Grounded conductor (Neutral), and 3. Grounding conductor (Safety Ground or Protective Earth) The groundED conductor is the power return, intended as a current return path from the load back to the source to complete the "circuit." Its insulation is White, gray or a non-green color with white stripes. The National Electric Code requires it be connected to earth ("groundED ") at the service entrance and usually only there. The groundING conductor is usually the safety ground which serves as an emergency current return path in the event of a circuit fault or overvoltage. Like the groundED conductor, it too is grounded at the service entrance, but is also connected to metal surfaces and parts along the circuit, groundING them. It conducts current only if the current "seeks" to return to the service entrance along a path other than the Neutral (like through your chest, should a Hot wire becomes loose and contact metal in the circuit that you may touch). Since the grounding conductor doesn't normally carry current, its cross-section is sometimes smaller than the groundED conductor's. The grounding conductor's insulation is green (no other conductors can have green insulation) though sometimes it is bare copper. Sometimes the steel metal conduit enclosing the Hot and Neutral acts as the grounding conductor.
In house wiring it's typically a bare copper wire. It may occasionally be green.
When installing and Isolated circuit, the orange-insulated conductor is required to be connected to the nickel-plated screw of recepticals
A grounding conductor is a means for providing safety for users of electrical devices that may have experienced an internal failure that causes an electrical short to metallic surfaces. In theory, such a short to a GROUNDED surface would quickly result in overcurrent or ground-fault interruption of the circuit, resulting in an dead but safe circuit. NEVER "reset" a GFCI while holding the attached device or without discovering what caused it to trip. Were it not for a grounding conductor, the user could become the "grounding conductor" by accident, causing electrocution. Grounding conductors maybe bare (copper) wires or have green insulation, or green with a yellow stripe (also used for bonding) or other green markings (green screws, green clips, green wire nuts, etc). Grounded appliance plugs were not required in the NEC until the 1960s.
In most installations in a two wire circuit the colour will be black. In a three wire circuit there will be two ungrounded conductors using a colour code of black and red.
For wiring in the USA the Neutral conductor is required to be white or gray by the National Electrical Code.
an underground conductor can be any color except white, grey or green.
By color !
The National Electrical Code requires that the neutral wire is to be designated as the "identified" conductor. Method differ, but look for ridges, lines, or writing on one of the wires.
their color
In Europe, the standard color for the protective (earth) conductor is a green/yellow stripe, although in most residential two-core (line and neutral; the protective conductor isn't counted) wiring, the protective conductor is bare.