Fd Deep Depth 2-Gang Cast Device Box | Designed to Compensate for Length Changes Due to Temperature Variations in Exposed Conduit Runs | For Through Terminations Where Large Devices or Additional Wiring Capacity Is Required | For Through Terminations Where Two Devices or Additional Wiring Capacity Is Required | For Use With Schedule 40 and 80 Pvc | For Use With Threaded Metal Conduit and Imc | Use With Pvc Conduit and Utility DuctFurbay Electric Supp