Arlington BE3X 3-Gang Extra Large Box, White

Solve recessed or oversized wall openings quickly with the Arlington BE3X 3-Gang Extra Large Box extender. This Arlington Industries box extender levels and supports wiring devices so switches, outlets and low-voltage gear sit flush with the finished surface—delivering a clean, reliable installation every time. The three-gang design accommodates multiple devices while the larger perforated flange gives improved anchoring for heavier security and surveillance components. Extend your existing box up to 1-1/2 inches to eliminate costly box replacements during retrofits, and rely on a 2-hour fire rating for enhanced safety and code confidence. Constructed for quick installs in commercial and residential environments, the BE3X is ideal for AV, networking, access control, monitoring and camera mounting tasks where precise device alignment matters. Keep projects on schedule and present a finished, professional appearance for clients. Add the Arlington BE3X to your toolkit for faster, code-friendly installs—order now for security, surveillance and low-voltage applications.

• Levels and secures wiring devices in recessed or miscut wall openings for a professional, flush finish
• Extra-large perforated flange offers stronger mounting for switches, outlets and security or surveillance hardware
• Extends existing electrical boxes up to 1-1/2 inches to avoid box replacement and speed retrofit jobs
• 2-hour fire rating enhances code compliance and safety in commercial security, networking and AV installs
• Three-gang configuration simplifies multi-device deployments for access control, monitoring and low-voltage equipment