Article NEC article 110-4-(C), states that you should use the 60?C ampacity column if the terminals you are terminating the cable to, are rated for 60?C and the 75?C ampacity column if the terminals are rated at 75?C, regardless of the cable temperature rating.
Not taking into account derating for ambient temperature, what is the proper way to use article 110-4-(C), when derating 600V, 90?C cables? If at all?
Not taking into account derating for ambient temperature, what is the proper way to use article 110-4-(C), when derating 600V, 90?C cables? If at all?