Hi, I am having serious, serious trouble deciding how I should create a connection where I have between one and three 1/2" exposed run cable going into one side of a gang box and 1" conduit coming out of the other side. An animation (see below for link) I've seen has a box that fits the bill...

All, I am trying to understand the differences in gang boxes used in: -China -UK -USA -India I am also interested in purchasing a "sample pack" worth of gang boxes. I would like a variety from each country. If anyone can point me towards an article discussing the details of what is used in...