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Which size cpper type thhn wire eould you need for a 170 amp system when the ambient temp 44c?
Wiki User
∙ 14y ago
The temperature has no effect on the wire needed, only on the insulation and installation details. !70 A would require 35mm2 copper in free air. Soil disipates heat better than air, so the cable would take more current and be safe if it was in/on the ground. In any form of conduit, you'd need a bigger cable.
Wiki User
∙ 14y ago
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