STI 13510NG Universal Stopper without Horn Enclosed Back Box Open Mounting Plate, No Label, Green

Protect high-value fire and security devices with the STI 13510NG Universal Stopper from Safety Technology International — a protective cover engineered to reduce false alarms, prevent vandalism and extend device life. This security cover is molded from robust PC (polycarbonate) to withstand impact and environmental exposure while preserving visibility and functionality. The STI-13510NG is designed as a universal stopper to fit duplex plugs, electrical light switches, emergency buttons, intercoms, keypads and pull stations, making it an ideal retrofit for access control, surveillance and life-safety installations.

The unit features an enclosed back box and open mounting plate for secure, code-friendly installation and tidy wiring; its no-horn, no-label profile provides a low-profile appearance that integrates cleanly with existing monitoring systems. The green finish offers quick visual identification of emergency components in corridors, stairwells and public areas. Use this Security Technology International protective cover where durable physical security, reliable monitoring and minimal maintenance are priorities. Order the STI 13510NG to safeguard your pull stations and control points and help maintain uninterrupted security and emergency response.

• Prevents accidental activation and tampering to reduce false alarms and protect critical devices
• Durable molded polycarbonate construction resists impact, weather and vandalism for long-lasting protection
• Universal fit supports duplex plugs, light switches, emergency buttons, intercoms, keypads and pull stations
• Enclosed back box with open mounting plate enables secure, code-compliant installation and neat wiring
• High-visibility green finish for quick identification of emergency or fire equipment without distracting labels
• Streamlined design (no horn, no label) blends with existing systems for unobtrusive security and monitoring integration