I am trying to route the electrical conduit distribution including pull boxes for a small portion of a big industrial plant. I am new to this add-in and am starting to get the hang of it a little bit. However I do not understand how, once I have created the conduit route including fittings from one pull box to the other, I can run multiple wires in the conduit with different colors. Is it even possible to run multiple wires without ends through a conduit system and the have them show up in my BOM so that I can send the bid to the contractors?

Please help!