Question: Two A phase conductors, two B phase conductors, and two neutrals are installed as two 3 - wire multiwire branch circuits

Two "A" phase conductors, two "B" phase conductors, and two neutrals are installed as two 3-wire multiwire branch circuits of a 120/208volt system. They are installed in electrical metallic tubing, Type EMT in an ambient temperature of 30C. The conductors are 10 AWG XHHW copper. What is the ampacity of each of the current-carrying conductors?
Two " A " phase conductors, two " B " phase

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