375 Series Raceway Accessory Single Junction Box (White)

hey everybody this is Walter with Access electric and today I wanted to talk to you about how to size a junction box according to the National Electric Code this is going to take into consideration straight pulls angle pulls and new pulls in junction boxes that have conductors that are over number four in size so stay with me as we go over article three fourteen - twenty-eight in the National Electric Code [Music] so here on the screen we have three types of pull boxes like I mentioned earlier we have straight pulls angled pulls and you pulls and so let's talk about straight pulls first here we have a straight pull which is pulling directly through a box from one side to the other and article three 1428 one will give us the specifics on how to size these boxes and according to that article we are going to need to multiply the trade size of the conduit by eight so the trade size of this