... to BS 6004 1,Conductor: Copper 2,Jacket:PVC 3,Stranding to BS 6360 Class 5 or IEC 60228 Class 5 2491X to ... starters and controllers. 2491X is equivalent to harmonized code H05V-K/H07V-K. ... IEC 60228 Class 53.Special PVC TI1 core insulation to BS 7655Core IdentificationBlack, Blue, Green/Yellow ... , Red, Yellow, White, Violet, Brown, Grey, Orange, Pink 1 ...