T&B® Fittings Non-Metallic Expansion/Deflection Couplings from Thomas & Betts (T&B), developed for polyvinylchloride (PVC) systems, now are compatible with fiberglass raceway, also known as reinforced thermosetting resin conduit (RTRC), when bonded with methacrylate adhesive. “The use of a methacrylate adhesive has enabled the expansion of the couplings’ applications beyond PVC systems to include RTRC systems,”…