... box for connection of bus-bar, three types:I type, L type,T type, ... yellow,black(L.V),OEM is welcome. Bus-bar joint box is for connection of bus-bar, three types:I type, L ... data:Tensile sttrength:12MpaDielectric strength: >25kv/mmVolume resistance: >1*10 14Ω.cmWater absorption: <0.1%Operating temperature:-55~+105ºCShrinkab termperature ... :120-140ºCColor: red,green,yellow,black(L.V) Bus-bar joint box