Raychem HVBC-41 Cable to Bus Insulating Kit 15kV Type: Cable to Bus Insulating Kit. Insulating Material: Heat Shrink/Mastic. Bus Width: 2"- 4". Bus Thickness: 0.63 in. Bare Bus Length: 9". Cable Range: 4 AWG - 1000 MCM. byJuly 4, 2026