| Size | Temperature Rating of Conductor | Size | |||||
| AWG or kcmil | 60°C (140°F) |
75°C (167°F) |
90°C (194°F) |
60°C (140°F) |
75°C (167°F) |
90°C (194°F) |
AWG or kcmil |
| Types TW, UF |
Types FEPW, RH, RHW, THHW, THW, THWN, XHHW, USE, ZW |
Types TBS, SA, SIS, FEP, FEPB, MI, RHH, RHW-2, THHN, THHW, THW-2, THWN-2, USE-2, XHH, XHHW, XHHW-2, ZW-2 |
Types TW, UF |
Types RH, RHW, THHW, THW, THWN, XHHW, USE |
Types TBS, SA, SIS, THHN, THHW, THW-2, THWN-2, RHH, RHW-2, USE-2, XHH< XHHW, XHHW-2, ZW-2 |
||
| COPPER | ALUMINUM or COPPER-CLAD ALUMINUM | ||||||
| 18 | - | - | 14 | - | - | - | - |
| 16 | - | - | 18 | - | - | - | - |
| 14* | 20 | 20 | 25 | - | - | - | - |
| 12* | 25 | 25 | 30 | 20 | 20 | 25 | 12* |
| 10* | 30 | 35 | 40 | 25 | 30 | 35 | 10* |
| 8 | 40 | 50 | 55 | 30 | 40 | 45 | 8 |
| 6 | 55 | 65 | 75 | 40 | 50 | 60 | 6 |
| 4 | 70 | 85 | 95 | 55 | 65 | 75 | 4 |
| 3 | 85 | 100 | 110 | 65 | 75 | 85 | 3 |
| 2 | 95 | 115 | 130 | 75 | 90 | 100 | 2 |
| 1 | 110 | 130 | 150 | 85 | 100 | 115 | 1 |
| 1/0 | 125 | 150 | 170 | 100 | 120 | 135 | 1/0 |
| 2/0 | 145 | 175 | 195 | 115 | 135 | 150 | 2/0 |
| 3/0 | 165 | 200 | 225 | 130 | 155 | 175 | 3/0 |
| 4/0 | 195 | 230 | 260 | 150 | 180 | 205 | 4/0 |