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Current ratings for UL-CSA cables
Current ratings
PVC-insulated single and multi conductor wiring cables according to UL-AWM and CSA-TEW standards are used in switchboard and distribution cabinets of electrical equipments and as well as for the installation of machines and transformers in protecting tubes.
PVC-insulation is allowed at maximum temperature range of 105°C.
The indicated values stated in the following tables are considered as guiding values. In critical situation the rules and recommendations for the current ratings should be followed.

for single conductor cables at ambient temperature up to 30°C
AWG No. Cross-section mm²

Load rating A

 AWG No. Cross-section mm²

Load rating A
24 0.21 3.5 3 26.65 154
22 0.33 5.0 2 33.61 170
20 0.52 6.0 1 42.38 180
18 0.82 9.5 1/0 53.43 200
16 1.31 20 2/0 67.40 225
24 20.8 24 3/0 84.97 275
12 3.32 34 4/0 107.17 325
10 5.26 52 250 127 345
8 8.35 75 300 152 390
6 13.29 95 400 178 415
4 21.14 120  

for multi conductor cables at ambient temperature up to 30°C
AWG No. Cross-section mm² Load rating up to 3 conductors in A Load rating 4-6 conductors in A Load rating 7-24 conductors in A Load rating 25-42 conductors in A Load rating 43 and above in A
24 0.21 2 1.6 1.4 1.2 1
22 0.33 3 2.4 2.1 1.8 1.5
20 0.52 5 4 3.5 3 2.5
18 0.82 7 5.6 4.9 4.2 3.5
16 1.31 10 8 7 6 5
14 2.08 15 12 10.5 9 7.5
12 3.32 20 16 14 12 10
10 5.26 30 24 21 18 15
8 8.35 40 32 28 24 20
6 13.29 55 44 38 33 27
4 21.14 70 56 49 42 35
3 26.65 80 64 56 48 40
2 33.61 95 76 66 57 57
1 42.38 110 88 77 66 55

Correction-factors at ambient temperature over 30°C
Ambient temperature
in °C		 Load rating values of above tables correction-factors
31 - 40 0.82
41 - 45 0.71
46 - 50 0.58
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