ABB DUKO12124-RING Extension 4 in D Gray

DUKO-RING Series Extension enclosure with 12 inch height, 12 inch width, 4 inch depth, 2x 1/2 to 3/4 inch, 1x 3/4 to 1 inch sides knockouts, 2x 1/2 to 3/4 inch, 1x 3/4 to 1 inch top and bottom knockouts, 4 lbs weight. Extension for screw cover box or concrete direct burial junction box. 16 gauge steel. When installed on top of an existing box, the extension will increase the usable connection space. Grounding screws provided. ANSI/ASA61 grey polyester textured coating inside out.