FS Box Black f/15A, 20A, 30A ReceptaclesThis black non-metallic box with two 3/4" K.O. holes accepts 15A, 20A and 30A receptacles, and 7420CR weatherproof covers.Features: Accepts 15A, 20A and 30A receptacles Two 3/4 inch knockout holes Black non-metallicWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to >P65Warnings.ca.gov.