RACO offers electrical boxes, metallic or non-metallic, in a variety of shapes for use in branch circuit wiring applications and accommodating wiring devices, such as switches or receptacles. Electrical boxes can serve as fixture supports. Our product line features our TKO knockout design which provides flexibility with combination ½ in. and ¾ in. knockout, combination screw head, and self-tapping screws provide 100% thread engagement.