Our flush mount Keystone Wallplates will fulfill the most complicated station installation requirements through a wide selection of snap-in modules. A variety of jacks and connectors will fill the wall plate openings to meet your specific requirements of voice data audio video fiber optic etc. The inserts are a snap to install and remove giving you a highly adaptable system. Write-on designation labels with holders are provided for identifying different systems or stations. 4-port; Single Gang. Designed for Ethernet Voice Audio/Video and other Applications. Works with any keystone jacks or keystone inserts for a professional-looking cabling system. Mounts to any electrical box or to surface mount box; Compatible with NEMA standard openings and boxes. Certifications: UL listed.