Full Technical Description: Increase Type; Zinc Material; 8.55 Inch Length X 4.22 Inch Width X 1.85 Inch Height Size; Nec/Cec, Iecex/Atex Approval; Safety Ground; 1-1/4 Inch Trade Size; Increased Safety Ground Terminal; MYERS[TM] Brand; Area Classification Hazardous/Classified Locations; NEMA Rating 3, 3R, 4, 4X