Ampacity Calculator
NEC Table 310.16 with temperature correction and conduit fill derating
Ampacity Results
Derated Ampacity
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Base Ampacity (Table 310.16)
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Temperature Correction
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Conduit Fill Factor
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Combined Factor
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Quick Size Reference
| Size | 60°C Cu | 75°C Cu | 90°C Cu |
|---|---|---|---|
| 14 | 15A | 20A | 25A |
| 12 | 20A | 25A | 30A |
| 10 | 30A | 35A | 40A |
| 8 | 40A | 50A | 55A |
| 6 | 55A | 65A | 75A |
| 4 | 70A | 85A | 95A |
| 2 | 95A | 115A | 130A |
| 1/0 | 125A | 150A | 170A |