By Mike Santora | October 16, 2015Non-metallic coupling now compatible with fiberglass raceway Coupling Tips 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…