Black And Red Wire. In addition the following wiring color codes are used in the us and canada for two wire grounded two wire ungrounded and three wire grounded dc power systems. Put the black and red wires into the hot ports on the back of the outlet. One is that the outlet is a 240 volt one which requires an extra hot wire.
Tuofeng 22awg electrical wire 100 ft 22 gauge led wire 2 pin extension cable wire red black wires 12v 24v dc cable for led strips single colour 4 7 out of 5 stars 174 14 49 14. The local practice in the us follows and uses the black color for phase 1 hot 1 or line 1 l1 and red for phase 2 hot 2 or line 1 l2. There will be 2 unlabeled screws left on the back of the outlet which are known as the hot screws. 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.
In standard 120 volt wiring the hot wire is black but it can also be red. In most cases you see a red wire in an outlet box only in special circumstances. One is that the outlet is a 240 volt one which requires an extra hot wire. Put the black and red wires into the hot ports on the back of the outlet. When a white wire is augmented with a red or black color marking this often indicates that it is being used as a hot wire rather than a neutral wire.