Question: What is the maximum ampacity of a 3-phase feeder consisting of 3 - 4/0 and 1 – No. 4 GND in a 2-in. PVC conduit? The feeder is installed underground to a remote building. All conductors are ...
How do you find the ampacity requirements that apply to your facility's power distribution wiring, and which of the many ampacity tables in Art. 310 is the right one? To answer the first question, we ...