A. Where four or more current-carrying conductors are contained within a raceway that is longer than 24 in., the ampacities contained in Table 310.16 must be adjusted (reduced) in accordance with ...
The ampacity of a conductor is the maximum current it can carry continuously, under the conditions of use, without exceeding its temperature rating [Article 100 ...
There are two main considerations for sizing DC wiring from the output of a power supply to its load. They are ampacity (fancy term for the number of Amps) and voltage-drop (remember ohms law: V = I x ...