Jean b 328119 views. These are commonly seen in industrial motors and equipments.
Beautiful 3 Phase Plug Wiring Diagram Colours Diagrams
3 phase plug wiring diagram colours. The old wiring colour codes did not account for proper phase rotation therefore most of europe now abides by iec international electrotechnical commission for single phase and three phase electricity. Not that it really matters at least not in our home shops but i was wondering if there is an industry standard for wire color designations for 220 three phase cable rubber cord. Brown orange and yellow are used for 480 vac. Black red and blue are used for hot wires and white is used as the neutral wire in a 120208 v circuit. Blue previously used as a phase colour is now the colour for neutral. Usa wiring color codes for dc supply.
3 277480 volt ac wiring color codes in usa. Household wiring does not usually use three phase supplies and the clash only occurs in three phase systems. Australia also have a different wiring colour standard. 3 phase phase 2 orange. Wiring to the old standard can be detected by use of a red wire. The first step is to figure out the voltage of your phases.
Connecting a 3 phase motor with 1 phase power with diagram duration. In the united states for low voltage motors below 600v you can expect either 230v or 460v. I always thought that black blue and brown were used for 480 v cord and not sure for 220 v cord. That being said there is a wide range of different motors and what you have on hand can be completely different. The color codes are. The usa have their own wiring colours for electrical circuits black red and blue are used for 208 vac three phase.
A three phase motor must be wired based on the diagram on the faceplate. 3 phase phase 3 yellow. 380 415v 4p industrial plugs wiring demonstration duration. For power circuits the color coding uses the same colors as residential construction and adds the additional wires used for three phase systems. Black which was previously used for neutral now indicates a phase. Ground green green with yellow stripe or bare wire.
A brief description of the uk three phase electrical wiring colour standards and the implementation of harmonised colours from 31 march 2006. Plug chfrsia 53506 views. 3 phase phase 1 brown. The changing of colour coding standards for electric cables is of the most significant changes for the electrical industry in modern history. The uks new cable colours for plugs are now harmonise with europes power cable colours for ac dc.