Westlake Pipe & Fittings electrical solutions manufactures a complete line of Electrical Non-Metallic tubing (ENT) and fittings. ROYAL ENT is a corrugated flexible conduit that is used for electrical raceways. Our ENT and fittings are certified to CSA Standard C22.2 No.227.1. ROYAL electrical solutions ENT is available in 1/2 to 2 in diameters, is FT-4 rated and comes on reels, coils or 10 ft straight lengths. ROYAL electrical solutions ENT is lightweight, durable and concrete tight, it is easy to pull cables and wires through the tubing. It can be installed in concrete slabs, fire-rated interior walls or directly buried. Our ENT systems are used in encased concrete and direct burial applications.