Outlet Body, Type Hazardous Location, Color Silver, Length (In.) 4 5/8, Material of Construction Aluminum, Conduit Size (In.) 1/2, Standards UL 886, CSA C22.2 No 30 Features - Conduit Size (In.) - 1/2 Standards - UL 886, CSA C22.2 No 30WARNING: California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.California proposition 65 warning