Full Technical Description: Mounting Plate, Standard Type; Agub/Ngub Instrument and Meter Enclosure Used on; Class I Div 1 and 2 Group B C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 4/4X/7BCD/9EFG Enclosure; Explosionproof, Dust Ignitionproof; Overall Dimension 6 Inch X 6 Inch X 4 Inch; Material Aluminum; Applicable Standard Nec/Cec, UL 1203, UL (Canada and Us), CSA C22.2