T&B Fittings XD expansion/deflection couplings for rigid conduit from Thomas & Betts support movement and thermal expansion in conduit runs, providing a flexible and watertight connection. They incorporate Erickson conduit unions that reduce installation time and effort, and durable, protective stainless-steel inner sleeves that facilitate wire installation. They accommodate axial or parallel movement up to 3/4 in., and angular movement up to 30 degrees from the normal position.