AMP Chart

Lead Wire Current Carrying Capacity (Ampacity)

AWG SIZEInsulated Conductor Temperature RatingAWG SIZE
at 80°Cat 90°Cat 105°Cat 125°Cat 150°Cat 200°C
400.330.490.550.600.710.7840
380.470.680.770.840.981.138
360.630.911.01.11.31.536
340.871.21.41.51.82.034
321.21.71.92.12.42.732
302.02.22.52.83.23.630
283.03.03.43.74.34.828
264.04.04.65.05.76.426
245.05.56.26.77.78.724
228101112141622
2010131415182120
1815182022242818
1619242628313516
1427353942465414
1236405155606812
1047556772809010
8658090971061248
6951051211311551656
41251401601721902204
31451651801942142523
21701902152322552932
12002202472662933441
1/02302602863093393991/0
2/02703003293553904672/0
3/03153503804104515463/0
4/03704054464815296294/0

Multiply the ampacity rating from above by the correction factor listed below to determine the ampacity rating of a conductor in a multi-conductor cable.

Multiple Conductor Correction Factors
Number of ConductorsMultiply ampacity by factor
4-60.80
7-90.70
10-200.50
21-300.45
31-400.40
41+0.35

Disclaimer: The information shown here has been assembled from sources believed to be reliable, but is not guaranteed by Cooner Wire Co. Cooner Wire Co. is not responsible for its accuracy or reliability.