Conductors and Overcurrent Protection

Conductors and Overcurrent Protection

1. What is the ampacity of a #2 AWG THW copper conductor in a raceway containing four current-carrying conductors, 40 C, dry location?
2. What is the maximum allowable ampacity of a #2 AWG THHN copper conductor connected to a breaker having 60 C termimal ratings?
Attached are the class notes for the subject.

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