Standard:astm b230, b231, b400 Voltage:450/750v, 600/1000v Capacity:2000km/month 1.Conductor Bare soft copper class b or class c concentrically stranded 2.Insulation Xlpe or pvc, colored for identification 3.Assembly Individual conductors are cabled, with non-hygroscopic fillers where necessary, to form a round compact core and wrapped with a binder. Two conductor versions are assembled flat parallel. 4.Shield Aluminum or copper wire, tape or braid 5.Sheath Black pvc Low-capacitance Single, pair and multiple conductor available Color-coded conductors for easy identification Durable, flexible, all-weather jacket Available at 600v for general purpose and 1000v for heavy duty We heavy duty control cables are particularly suited for substation control functions, and can also be used for general purpose control circuits in industrial applications.