Expansion fittings for rigid steel or intermediate metal conduit. Fitting will be constructed from cast iron with exterior and interior zinc plating for corrosion protection. The fitting shall be constructed so that disassembly is not required during installation. Fitting shall be raintight after installation. The fitting shall have an internal bonding jumper constructed of a copper braid, sized to meet. UL fault current test requirements and comply with bonding requirements CEC article 10-612 and 10-614. External bonding jumper shall not be required to comply with CEC requirements.