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Bare Stranded Copper Conductors

Wallis bare stranded copper conductor is used on both lightning protection and earthing systems.

Available as soft drawn (copper wire that has been heat treated) and hard drawn (copper wire that has not been annealed after drawing).

TypeC.S.A. (sqmm)Stranding No. x Ø (mm)Nominal Ø (mm)Maximum Resistance @ 20C Ω/kmWeight per Metre (kg)Part Number
TypeSoft DrawnC.S.A. (sqmm)6Stranding No. x Ø (mm)7 x 1.04Nominal Ø (mm)3.12Maximum Resistance @ 20C Ω/km3.080Weight per Metre (kg)0.05Part NumberCBS 006
TypeSoft DrawnC.S.A. (sqmm)10Stranding No. x Ø (mm)7 x 1.35Nominal Ø (mm)4.05Maximum Resistance @ 20C Ω/km1.830Weight per Metre (kg)0.09Part NumberCBS 010
TypeSoft DrawnC.S.A. (sqmm)16Stranding No. x Ø (mm)7 x 1.70Nominal Ø (mm)5.10Maximum Resistance @ 20C Ω/km1.150Weight per Metre (kg)0.15Part NumberCBS 016
TypeSoft DrawnC.S.A. (sqmm)25Stranding No. x Ø (mm)7 x 2.14Nominal Ø (mm)6.42Maximum Resistance @ 20C Ω/km0.727Weight per Metre (kg)0.23Part NumberCBS 025
TypeSoft DrawnC.S.A. (sqmm)35Stranding No. x Ø (mm)7 x 2.52Nominal Ø (mm)7.56Maximum Resistance @ 20C Ω/km0.524Weight per Metre (kg)0.32Part NumberCBS 035
TypeSoft DrawnC.S.A. (sqmm)50Stranding No. x Ø (mm)19 x 1.78Nominal Ø (mm)8.90Maximum Resistance @ 20C Ω/km0.387Weight per Metre (kg)0.43Part NumberCBS 050
TypeSoft DrawnC.S.A. (sqmm)70Stranding No. x Ø (mm)19 x 2.14Nominal Ø (mm)10.70Maximum Resistance @ 20C Ω/km0.268Weight per Metre (kg)0.62Part NumberCBS 070
TypeSoft DrawnC.S.A. (sqmm)95Stranding No. x Ø (mm)19 x 2.52Nominal Ø (mm)12.60Maximum Resistance @ 20C Ω/km0.193Weight per Metre (kg)0.86Part NumberCBS 095
TypeSoft DrawnC.S.A. (sqmm)120Stranding No. x Ø (mm)37 x 2.03Nominal Ø (mm)14.21Maximum Resistance @ 20C Ω/km0.153Weight per Metre (kg)1.09Part NumberCBS 120
TypeSoft DrawnC.S.A. (sqmm)150Stranding No. x Ø (mm)37 x 2.25Nominal Ø (mm)15.75Maximum Resistance @ 20C Ω/km0.124Weight per Metre (kg)1.33Part NumberCBS 150
TypeSoft DrawnC.S.A. (sqmm)185Stranding No. x Ø (mm)37 x 2.52Nominal Ø (mm)17.64Maximum Resistance @ 20C Ω/km0.099Weight per Metre (kg)1.67Part NumberCBS 185
TypeSoft DrawnC.S.A. (sqmm)240Stranding No. x Ø (mm)61 x 2.25Nominal Ø (mm)20.25Maximum Resistance @ 20C Ω/km0.075Weight per Metre (kg)2.20Part NumberCBS 240
TypeSoft DrawnC.S.A. (sqmm)300Stranding No. x Ø (mm)61 x 2.52Nominal Ø (mm)22.68Maximum Resistance @ 20C Ω/km0.060Weight per Metre (kg)2.76Part NumberCBS 300
TypeSoft DrawnC.S.A. (sqmm)400Stranding No. x Ø (mm)61 x 2.85Nominal Ø (mm)25.65Maximum Resistance @ 20C Ω/km0.047Weight per Metre (kg)3.53Part NumberCBS 400
TypeHard DrawnC.S.A. (sqmm)35Stranding No. x Ø (mm)7 x 2.52Nominal Ø (mm)7.56Maximum Resistance @ 20C Ω/km0.540Weight per Metre (kg)0.32Part NumberCHS 035
TypeHard DrawnC.S.A. (sqmm)50Stranding No. x Ø (mm)7 x 3.00Nominal Ø (mm)8.90Maximum Resistance @ 20C Ω/km0.399Weight per Metre (kg)0.43Part NumberCHS 050
TypeHard DrawnC.S.A. (sqmm)70Stranding No. x Ø (mm)7 x 3.55Nominal Ø (mm)10.70Maximum Resistance @ 20C Ω/km0.276Weight per Metre (kg)0.62Part NumberCHS 070
TypeHard DrawnC.S.A. (sqmm)95Stranding No. x Ø (mm)37 x 1.78Nominal Ø (mm)12.60Maximum Resistance @ 20C Ω/km0.199Weight per Metre (kg)0.86Part NumberCHS 095

Material: Copper to BS EN 60228:2005.

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