East Conduit Electrical Rigid Aluminum Conduit is UL listed,produced in normal trade sizes from 1/2"to 6" in standard lengths of 10ft(3.05m).It is manufactured in accordance with ANSI C80.5,UL6A.Both ends threaded according to the standard of ANSI/ASME,coupling supplied on one end,color-coded thread protector on the other end for quick identification of the conduit size.