Type 1 Mild Steel Junction Box CSKO Series Screw Cover and w/ Knockouts 12 in x 12 in x 4 in Application Designed for general purpose indoor commercial use as a junction, pull or switch box. Standards UL-50 Type 1 CSA Type 1 Complies with: NEMA Type 1 IEC 60529, IP20 Construction Formed and spot welded from 16 gauge (up to 30"x24") or 14 gauge (36"x24") steel. Flat steel covers fastened with plated steel screws. Keyhole slots permit cover to be lifted off without removing screws entirely. Easily removed knockouts on all 4 sides (see drawings for sizes and locations). Through holes in back for wall mounting. Grounding location embossed in body. Finish Enclosure and cover are finished in ANSI 61 gray powder coating. Size H x W x D 12 in x 12 in x 4 in(305 mm x 305 mm x 102 mm) Shipping Weight 9 lbs (4.08 kg) UNSPSC 39121324 UPC 623980360171 UL File # E65324 CSA Cert. # LR21001 REACH Compliant Yes RoHS Compliant Yes