RACO® is a leading manufacturer of steel electrical boxes, covers, and commercial fittings. One of the oldest brands in the electrical industry, their name is synonymous with quality and innovation. One of the innovative features of steel boxes is TKO Knockouts. TKO Knockouts offer greater flexibility with combination 1/2 in. and 3/4 in. knockouts. This feature is UL Listed providing bonding without the use of bonding jumpers. RACO® steel boxes are used in branch circuit wiring that accommodates wiring devices, such as switches and receptacles. RACO® commercial fittings are a great solution when you need to couple, connect, fasten, or ground conduit or cables. Many of the commercial fittings are UL Listed as rain-tight, concrete-tight, or liquid-tight. RACO® commercial fittings are designed to save time on the job.