B-Line (Eaton) NEMA 3R Steel Screw Cover Junction Box With Knockouts

Enclosure body has embossed mounting holes on the back(2) 1/2-3/4 inch, (2) 3/4-1 inch and (1) 1-1-1/4 inch knockouts on bottom endCover is secured by sliding it under the top end flange and fastening it with plated screws on the bottom end flange, larger sizes use two studs and wing nutsProtects against falling rain, sleet and external ice formation