If so what dimensions is appropriate? Also do you have to set in backboxes with oval cutouts (when there is a this type of matter) so conduit goes in to the backbox, or use normal kinds and squash the oval to round at entry place? and will it then continue https://ovalconduit56788.is-blog.com/43362466/how-round-conduit-can-save-you-time-stress-and-money