The Plastics Pipe Institute (PPI) and the National Electric Manufacturers Association (NEMA) recently unveiled the revised NEMA TC 7-2013, “Smooth Wall Coilable Electrical Polyethylene Conduit.” ...
A new standard, "Standard Practice for Solid Wall High-Density Polyethylene Conduit for Non-Pressure Applications Used for the Protection of Power and Telecommunications Cables," was recently ...
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