Reply To: Electrical & Traffic Signal Resources Home › Forums › Resident Engineer’s Toolbox › Electrical & Traffic Signal Resources › Reply To: Electrical & Traffic Signal Resources 11/04/2024 at 12:46 PM #41066 BobKeymaster Excellent reference for conduit from Dura-line for smoothwall conduit sizes, shapes & strengths Dura-Line Conduit Table Different conduit sizes & types are linked: Scroll down each to find the pdf catalog tables for easy reference. This reply was modified 1 month, 3 weeks ago by Bob.