Power cable 300/500v & 450/750v 2491b/6701b to bs 7211 ( h05z-k, h07z-k) Voltage rating: 2491b (h05z-k) 0.5mm2 to 1.0mm2 - 300/500v 6701b (h07z-k) 1.5mm2 and above - 450/750v Conductor: flexible class 5 copper conductors to bs6360 Insulation: type ei5 low smoke, zero halogen, thermosetting insulation Insulation colour: black, blue, green/yellow, red, yellow, white, violet, brown, grey, orange, pink Temperature rating: +10c to +90c Minimum bending radius: up to 10mm2 = 3 x overall diameter 10mm2 to 25mm2 = 4 x overall diameter Standards: bs7211 h05z-k h07z-k cenelec hd22.9