Galvanized rigid steel and aluminum are the traditional materials for electrical conduit, but since their introduction in the 1960s, plastic and competitive pipe have been rapidly gaining market share ...

The Plastics Pipe Institute, Inc., (PPI), has released a new, free software tool that aids in determining the most appropriate wall thickness of high-density polyethylene (HDPE) conduit to be ...

United Poly Systems, LLC recently became the first manufacturer to achieve NSF International certification to UL Standard 651A for polyethylene electrical conduit pipe, according to a press release.

The smooth interior is said to ensure free movement of all wires, while the corrugated exterior resists damage from oils, solvents, dust, and debris. Sizes range from 0.25 to 2 in. in diameter.