GRI DP-875-BL Dummy Plug, Black, Self-Locking, 7/8" Diameter, Black

Protect vulnerable or unused contact points quickly and reliably with the George Risk Industries DP-875-BL magnetic contact dummy plug. Designed for security integrators and facilities teams, this self-locking dummy plug secures unused magnetic contact openings to prevent false alarms, tampering, and environmental exposure — keeping monitoring and surveillance systems accurate and dependable. The reusable, low-profile black plug measures 7/8" in diameter and installs via a hybrid installation method for fast field deployment across doors, windows, and panel cutouts. That compact size and discreet finish help maintain clean aesthetics in high-visibility areas while matching common contact housings. Built by George Risk Industries in the US, the DP-875-BL provides a durable, cost-effective solution for temporary or permanent protection of magnetic contacts during installation, testing, or service. Ideal for security contractors, alarm monitoring centers, and IT/AV teams managing perimeter sensors, it streamlines maintenance and reduces service callbacks. Add the DP-875-BL dummy plug to your parts kit to simplify installations and improve system reliability — order today or contact our sales team to specify for your next project.

• Prevents false alarms and tampering by securely blocking unused magnetic contact openings
• Self-locking, reusable design speeds service and reduces downtime for security and monitoring systems
• Compact 7/8" diameter fits standard contact housings for easy hybrid installation
• Low-profile black finish blends into door and frame applications for discrete surveillance setups
• US-made reliability from George Risk Industries ensures consistent performance in commercial installations