A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices.
Electrical Wire Colors Meaning. Any other colors expected the above mentioned can be used for live line or hot wires. The simple explanation is that every color used for electrical wiring has a specific meaning with different colors indicating different circuit types and purposes. Instead blue and yellow wires are used as the live wires pulled through a conduit.
Blue and yellow electrical wires while wires in these colors carry power they are not used in typical outlet wiring. Blue yellow violet and brown wires often act as the travelers to transfer power between the switches in 3 way and 4 way switch applications. Black electrical wire is used for power in all circuits. Red electrical wires are the secondary live wires in 220 volt circuits and are commonly found in.
Electrical contractors and electricians understand the color codes but a simple guide can help you understand their significance.
Any circuit s black wire should be considered hot or live. Single phase live wires. Red electrical wires are the secondary live wires in 220 volt circuits and are commonly found in. Green or green with a yellow stripe. Deciphering what each color means black electrical wires.
Electrical Wire Colors Meaning. Green or green with a yellow stripe. The mandatory colors for power wiring in national electric codes nec are green bare or green yellow yellow strip or band on green for protective ground pg and white alternatively grey for neutral wire.