3 Phase Electrical Wire Color Code Uk. Phase 3 connectors ltd coopers lane coopers point knowlsey business park liverpool merseyside england l33 7ub. L3 grey the standard colours in fixed wiring were harmonized in 2004 with the regulations in other european countries and the international iec 60446 standard. For a transitional period april 2004 march 2006 either set of colours were allowed but not both provided that any changes in the colour scheme are clearly labelled.
Phase 3 connectors ltd coopers lane coopers point knowlsey business park liverpool merseyside england l33 7ub. United kingdom had its own color code until 2004. The following requirements on wire color codes apply in canada. In the old iec color code all the lines in three phase supply are either brown or black.
L3 grey the standard colours in fixed wiring were harmonized in 2004 with the regulations in other european countries and the international iec 60446 standard.
But from march 2004 the uk started following the iec color code. The following requirements on wire color codes apply in canada. Phase 3 connectors ltd coopers lane coopers point knowlsey business park liverpool merseyside england l33 7ub. For a transitional period april 2004 march 2006 either set of colours were allowed but not both provided that any changes in the colour scheme are clearly labelled. The ac power cable color code is nearly similar to the code used in the usa except exclusion of bare copper from ground wire.