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4 Gauge wire Temperature rating
Wire Type | Gauge | Temperature (°C) | Temperature (°F) | Ampacity (Amps) |
---|---|---|---|---|
Copper | 4 | 60 | 140 | 70 |
Copper | 4 | 75 | 167 | 85 |
Copper | 4 | 90 | 194 | 95 |
Aluminum | 4 | 60 | 140 | 55 |
Aluminum | 4 | 75 | 167 | 65 |
Aluminum | 4 | 90 | 194 | 75 |
This table displays the ampacity values for both 4-gauge solid copper and solid aluminum wires at different maximum allowed surface temperatures.
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Conclusion
Choosing the best 50 amp wire size for 220V is very important. The wire needed however will be dependent on many different factors. These factors have been discussed above. Thank you for getting this far in the article and be sure to check out some of our other related articles.