Phase A is yellow, Phase B is green, and Phase C is red DC Bus: positive red, negative blue Simulates the logo color of the busbar Voltage Unit (kV) - Color AC 0. 4 - Yellow-brown AC 3 - Dark Green AC 6 - Navy Blue AC 10 - Crimson AC. In electric power distribution, a busbar (also bus bar) is a metallic strip or bar, typically housed inside switchgear, panel boards, and busway enclosures for local high current power distribution, transmission, or switching substations. They are also used to connect high voltage equipment at. The color regulations of switchgear mainly concern electrical safety and identification. 23 -. Busbars are the main electrical connections between cells, modules and connect all of the HV system to the outlet connector. Normally made from copper or aluminium. In cooperation with the customer, these can also feature TE's Bus Bar Insulation Tubing (BBIT). Especially in the area near the. LBplus LBplus is a low power busbar trunking system (from 25A to 63A) with IP55 protection degree. 4 conductors 63A Ambient temperature. The most suitable solution for. After that, the Importance, properties, and uses of wiring color codes are going to be studied. So now starting with basic - color codes.