Derating Factor Verified Direct
What happens if you run ten of those wires through a single conduit? The wires heat each other up. The Derating Solution: You must apply bundling factors. If the factor is 0.7, a wire rated for 20 Amps can now only carry 14 Amps safely.
The most common application of derating is in electrical system design. Here are the two most prevalent scenarios: derating factor