Heat Shrinkable Busbar Insulating Tube: Voltage Class:1kv,10kv,35kv. Available colors:Red,Yellow,Green,Black. Heat Shrinkable Busbar Insulating TubeVoltage Class:1kv,10kv,35kv.Available colors:Red ... ,Yellow,Green,Black.Features:Avoid short circuit fault caused by small animals such as mice,snakes and ...