Copper wire ampacity table

Ampacities of copper wire, in free air at 30o C:
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|                      INSULATION TYPE:                        |
|      RUW, T           THW, THWN      FEP, FEPB     |
|              TW                    RUH      THHN, XHHW |
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Size     Current Rating       Current Rating     Current Rating
AWG   @ 60degrees C   @ 75degrees C   @ 90degrees C
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20 -------- *9 ------------------------------- *12.5
18 -------- *13 -------------------------------- 18
16 -------- *18 -------------------------------- 24
14 --------- 25 ------------- 30 --------------- 35
12 --------- 30 ------------- 35 --------------- 40
10 --------- 40 ------------- 50 --------------- 55
8 ---------- 60 ------------- 70 --------------- 80
6 ---------- 80 ------------- 95 -------------- 105
4 --------- 105 ------------ 125 -------------- 140
2 --------- 140 ------------ 170 -------------- 190
1 --------- 165 ------------ 195 -------------- 220
1/0 ------- 195 ------------ 230 -------------- 260
2/0 ------- 225 ------------ 265 -------------- 300
3/0 ------- 260 ------------ 310 -------------- 350
4/0 ------- 300 ------------ 360 -------------- 405