Arlington BES1 Single-Gang Box Extender, Non-Metallic

Solve uneven wall and recessed device challenges quickly with the Arlington Industries BES1 Single-Gang Box Extender. This non-metallic box extender is designed to restore proper mounting depth and deliver a flush, professional finish for switches, outlets and low-voltage devices used in security, surveillance and monitoring systems. As a single-gang extender (Manufacturer Part Number BES1), it eliminates the need to reposition boxes during retrofits and new construction, reducing install time and callbacks.

Constructed of durable, corrosion-resistant non-metallic material and manufactured in the US, the BES1 supports reliable, code-conscious installations for CCTV cameras, access control panels, and network ports. Its simple, lightweight design trims and aligns easily, helping electricians and security integrators achieve neat results without specialty tools. Ideal for electrical back boxes & brackets applications, this Arlington box extender improves device stability and aesthetics while preserving electrical and low-voltage integrity. Add the BES1 to your next security or surveillance deployment to streamline installation and ensure a polished finish—order now for fast on-site results.

• Provides a clean, flush mounting finish so switches and devices sit level against drywall or surface irregularities
• Non-metallic construction resists corrosion and simplifies installation for low-voltage security, surveillance and networking devices
• Fits standard single-gang openings (BES1) to save time on retrofit and new-construction jobs
• Lightweight, easy-to-trim design reduces labor time and improves professional appearance on-site
• Made in the US for consistent quality and reliable compatibility with Arlington electrical back boxes and brackets