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.
Japanese Electrical Wiring Colours. The blue wire is the neutral wire which carries the electricity back to the source. In some countries the applicable governing body specifies all permissible wiring colors but in others only a few specific types of wiring are required to have specific colors. For example in canada you can find red black and blue wires for three phase whereas in australia it is yellow blue and black.
Ac single phase three phase and dc wire cable color codes. Green and yellow earth. Old australian colour code multiphase. Depending on where a wire ultimately gets installed you cannot always rely on the markings printed on the insulation coating nor will you always be able to read them legibly.
The wire color codes used are only going to apply to the actual wires that are carrying the electricity.
The 3 types of electrical wires brown blue and green with yellow serve different purposes. The quickest way to identify house electrical wiring is by its color. You can find out more about bs 7671 and the current uk electrical wiring standards in our comprehensive guide to electrical wiring regulations. For example in canada you can find red black and blue wires for three phase whereas in australia it is yellow blue and black. Green and yellow earth.
Japanese Electrical Wiring Colours. Phase 1 red phase 2 white phase 3 dark blue neutral black earth green. The brown wire is the live wire which carries the electricity from the source to the electrical appliances.