Standard:hd 21, din vde 0281, bs 6004, bs 6004 Voltage:600/1000v Capacity:50000 coils/week Applicable standards:bs 6004, iec 60227 Voltage rating:300/500v Temperature rating: 70â°c Core colours:single core: brown or blue Two core:brown and blue Three core:brown, black and grey sheath colour: grey This product is used as hanging cable, drawing cable and installation for field line, electric appliances and instruments, electronic equipment and automatic devices for electric power, chemical and so on.