Topazs Form 7 Rigid T Type Conduit Bodies are constructed to offer unmatched high tensile strength and ductility. Strong and resilient iron fabrication is resistant to damage from corrosion and impact and is enhanced with a zinc plated finish. T type conduit bodies allow 3-way inline access in conduit systems, enable easy splicing and can correct and change direction of conduit runs. NPT tapered hubs offer protection for conductor insulation. Topazs Form 7 Conduit Bodies and Covers are interchangeable with every major brand Form 7 Series. Meets Federal Spec. A-A 50563; NEMA FB1 and NEMA 3R approved raintight when installed with cover and gasket. UL514A and UL514B listed and available in sizes from 1/2" to 4".