110 Wire Usa Electrical Wire Color Code. Any other colors expected the above mentioned can be used for live line or hot wires. Phase 3 phase 3 wiring should be yellow. Red electrical wires are the secondary live wires in 220 volt circuits and are commonly found in a sheathed multi conductor cable.
By the way if you re wondering why the outlet you just bought has a label indicating it s for a 115 volt plug or a 120 volt plug don t worry. American electrical contractors and electricians must comply with the national electrical code nec for the color coding of wires. All the above mentioned color code for electrical wiring is to transmit ac current from the mains. If you need to understand what the wire colors are for electrical wiring what color the live or hot wire is or what color is the ground wire in your electrical system you will find the answers here.
In case of a three phase power supply the combination of red yellow and blue are used for the active line power conductors black color for neutral conductor and green or green yellow for protective ground.
If you need to understand what the wire colors are for electrical wiring what color the live or hot wire is or what color is the ground wire in your electrical system you will find the answers here. Phase 2 phase 2 wiring should be orange. These wires are typically used for switch wiring as well as the interconnection between smoke detectors hard wired into the power system. All the above mentioned color code for electrical wiring is to transmit ac current from the mains. Phase 3 phase 3 wiring should be yellow.