Wire current rating for single FEP (Teflon) or Silicone insulated (200°) conductor in free air (30°).

AWGCond dia (mm)CSA (mm^2)R/km (Ω)Imax
26.533.60.513241
35.826.70.647209
45.221.20.815180
54.616.81.03156
64.113.31.30135
73.710.51.63117
83.38.372.06101
92.96.632.6087.4
102.65.263.2875.6
112.34.174.1365.4
122.13.315.2156.6
131.82.626.5748.9
141.62.088.2942.3
151.51.6510.536.6
161.31.3113.231.7
171.21.0416.627.4
181.00.82321.023.7
190.910.65326.420.5
200.810.51833.317.7
210.720.41042.015.3
220.640.32653.013.3
230.570.25866.811.5
240.510.20584.29.93
250.460.1621068.59
260.410.1291347.43
270.360.1021696.43
280.320.0812135.56
290.290.0642694.81
300.260.0513394.16

Derived in part from data published by Wiremax.