System Sensor SPSEP-BBSWL L-Series White Expander Plate Back Box Skirt

Improve installation speed and on-site aesthetics with the System Sensor SPSEP-BBSWL L-Series white expander plate back box skirt. Designed as a mounting accessory for L-Series speaker strobes, this plastic expander plate provides a clean, low-profile solution for indoor wall-mounted fire and security devices. The white finish blends with typical ceiling and wall palettes while protecting wiring and back boxes — ideal for fire mounting & enclosures in schools, offices, healthcare and surveillance hubs.

Made to support System Sensor L Series speaker strobes, the SPSEP-BBSWL is DOD-compliant and ships with an optional Torx head screw to simplify field installation. Its durable plastic construction resists wear in monitoring and alarm environments and helps maintain professional system appearance for integrators and facility managers. Whether you’re retrofitting existing systems or installing new fire and security monitoring equipment, this expander plate minimizes rework and speeds certified deployments. Add the SPSEP-BBSWL to your next security or fire mounting project for reliable, code-conscious installations—order now to streamline installation and maintain a professional surveillance and monitoring environment.

• Clean, professional finish for L-Series speaker strobes that improves site appearance and simplifies CCTV and fire panel integration
• Engineered plastic construction and white finish provide durable, low-profile protection for indoor wall-mounted installations
• Compatible with System Sensor L-Series speaker strobes to reduce inventory complexity and speed deployment across projects
• Meets DOD specification requirements for dependable, compliant mounting in commercial and institutional security systems
• Optional Torx head screw included to streamline installation and minimize field hardware needs