Conductor resistance acc. to VDE 0295

(at 20°C for 1000m in Ohm)

qmm

tin-plated
copper conductor,
Class 1+2

Class 5+6Copper conductor,
not insulated,
Class 1+2		Class 5+6
0,08   250,00   243,00
0,14   142,00   138,00
0,25   82,00   79,00
0,34   59,00   57,00
0,50 39,70 40,10 36,00 39,00
0,75 24,80 26,70 24,50 26,00
1,00 18,20 20,00 18,10 19,50
1,50 12,20 13,70 12,10 13,30
2,50 5,56 8,21 7,41 7,98
4,00 4,70 5,09 4,61 4,95
6,00 3,11 3,39 3,08 3,30
10,00 1,84 1,95 1,83 1,91
16,00 1,16 1,24 1,15 1,21
25,00 0,734 0,795 0,727 0,78
35,00 0,529 0,565 0,524 0,554
50,00 0,391 0,393 0,387 0,386

 

Conductor resistances for stranded copper wires (extract from VDE 0295). Relevant for the wire design is the maximum diameter of the single wire and the maximum conductor resistance.