Section 334.80 covers the ampacity of Type NM cable.It states that even though the cable's insulation is rated at 90°C (194°F) the allowable ampacity of the cable is taken from the _____°C column in Table 310.15(B)(16).

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The Answer of Section 334.80 covers the ampacity of Type NM cable.It states that even though the cable's insulation is rated at 90°C (194°F) the allowable ampacity of the cable is taken from the _____°C column in Table 310.15(B)(16).