Gray is the neutral color grounds are green and green w yellow tracer.
Green yellow ground wire.
Hot active wires may be any other colors except these.
In virtually all cases it s insulated copper wire with a covering that s green or green with a yellow stripe.
Also ground wires are occasionally coated in green and yellow striped plastic.
Beyond that are general industry accepted rules about wire color that indicate their purpose.
These codes apply on both ac and dc power circuits.
That being said sometimes live wires are red and ground wires are coated in green.
However all electrical wires regardless of their function may carry an electrical current at some point and should be treated with equal caution.
Wires are often black for live white for neutral and plain copper for ground.
Same as for ac the mandatory colors for grounded neutral is white or gray the protective ground wire color should be green bare conductor or yellow green yellow strip on green color.
Twist wires together at the ends to connect them.
The recommendations in table below are by wiles.
However common practice per local electrical inspectors is for the first hot live or active wire to be black and the second hot to be red.
Blue and yellow wires are sometimes used as hot wires and as travelers green wires and bare copper wires are ground wires and white and gray wires are neutral.
The protective ground must be bare green or green yellow striped.
Brown orange and yellow are all current carrying conductors used on voltages up to 480v.
The top countries of suppliers are india china and india from which the percentage of green yellow ground wire supply is 1 98 and 1 respectively.
Twist like wires together if there are any.
Bare stranded or flexible ec grade high purity copper iec 60228 is 8130 special pvc for earthing green yellow earth wire cable for grounding.
Understanding the green ground wire.
Any other colors can be used for hot phase wires.
Neutral would be white ground wires are either green or green with a yellow tracer.