Electrical Three Phase Wiring Colours

By |2021-06-07T14:32:12+00:00November 7th, 2016|Energy Management & Monitoring, Profile 3 Phase Energy Monitor, Support & Installation, UK Government Energy & Climate Change Schemes|

Three phase electrical cabling colour coding standards differ across the world. The image below details the standard labelling of live & neutral cabling in the UK & USA. UK & USA standard electrical 3 phase wiring colours UK Old* UK New* USA Phase 1 Red Brown Black Phase 2 Yellow Black Red Phase