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.

Article 353 covers the use, installation, and construction specifications for high density polyethylene (HDPE) conduit and associated fittings. As per 353.12(4), "HDPE conduit shall not be used where ...

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 ...

Calling all utilities and contractors. The Plastics Pipe Institute Inc. is looking to unearth new data about the longevity of high density polyethylene conduit with help from long-term end users who ...

United Poly Systems 1” coiled Schedule 40 plastic conduit is among UPS’s first pipes to be certified by NSF International to UL 651A. Photo credit: United Poly Systems, LLC. United Poly Systems 1” ...