Wiremold EFB8-MB Mounting Bracket for A/V Equipment, Power Equipment, Floor BoxEngineered for versatile A V and power management, the Wiremold EFB8 MB Mounting Bracket consolidates up to four devices in a single, accessible location. Whether you're outfitting a conference room, classroom, hospitality space, or home theater, this bracket delivers the flexibility to deploy power, data, and audio video accessories without sacrificing clean lines or easy service. The EFB8 MB is designed to integrate with standard 2 3 4" x 4 1 2"