Wiremold® Ratchet-Pro™ Series Floor Boxes Provide Single- and Dual-Service Capability In A Variety Of Easy-to-Install Round Floor Boxes. These Designs Allow The Flexibility For Providing Power, A/V or Communication Services to Open-Space Areas In An Aesthetic Solution. Applications Include Malls, Shopping Centers, Department Stores, Airports, Hospitals, and Office Buildings. Ratchet-Pro™ Series Floor Boxes Are Culus Listed For Use In Both On Grade and Above Grade Concrete Construction.