This enclosure box is made of heavy-duty, UV rated non-metallic material and has 1/2" and 3/4" knockouts on either side. It can be used indoors or outdoors to protect and secure power backups, security devices and other valuable equipment. When mounted in a vertical position, it meets NEMA 3R outdoor requirements. The back plate allows an installer to mount components to the plate even after the enclosure box is mounted. Physical Characteristics Color Grey Material Non-Metallic Product Dimensions 12" L x 12" W x 4" D Backplate Compliant Lockable Padlock or Optional Cam Lock Knockout (EB-CAM-LOCK) Manufacturing Information Arlington Industries Number EB1212BP Approvals NEMA 3R Rated Environmental RoHS Compliant Packaging Information Package Quantity 1 Product Weight 4.39 lbs [1.9 kg] Contents Included in Package 1 – Enclosure Box