Hazardous Location Pendant Mount, For Use With LED Series Luminaires, Mounting Style Ceiling, Overall Length 13 2/5 in, Overall Width 15 3/8 in, Overall Height 3/4 in, Standards Class I, Division 2, Groups A, B, C, D, Class I, Zone 2, AEx nA IIC, Class II, Division 1, Group E, F, G, Class II, Division 2, Group F, G, Class III, IP66/IP67, NEMA 3R, NEMA 4, NEMA 4X, Zone 2 and 22, Ex II 2 GD