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Copper cable loading chart

The chart below shows the maximum current loading for copper cable when bunched or in free air.

Cable diameter (mm)

Cable loading (Amps) bunched

Cable loading (Amps) in free air

1.0

13

17

1.5

15

21

2.5

22

30

4.0

29

41

6.0

37

53

10.0

50

75

16.0

67

100

25.0

88

136

35.0

108

167

50.0

132

204

70.0

168

259

95.0

209

321

120.0

236

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