GRI DP-375-BL Dummy Plugs 3/8″ Gap, Black

Keep contact circuits predictable during installation and maintenance with the George Risk Industries DP-375-BL dummy plugs. Designed for security and surveillance professionals, these dummy plugs provide reliable sensor masking so technicians can test, calibrate, and troubleshoot door and window contacts without triggering alarms or altering system settings. Each reusable plug maintains a consistent 3/8-inch (0.37 in) gap, ensuring repeatable spacing for contact magnets and minimizing variables during monitoring and diagnostics. The discreet black finish stays unobtrusive in control rooms, junction boxes, and field installs, while the packaged quantity of 100 delivers cost-effective bulk supply for integrators and service teams. As part of the contact magnets & accessories lineup, DP-375-BL is ideal for site commissioning, temporary bypassing during service, and long-term inventory for security integrators. Keep your installations on schedule and your monitoring accurate—order a bag of 100 dummy plugs to streamline testing and maintenance across your security and surveillance projects.

• Simplifies installations and testing by reliably masking contact sensors, preventing false alarms and configuration changes
• Reusable design reduces waste and lowers cost-per-use for installers and service teams
• Consistent 3/8-inch (0.37 in) gap ensures accurate spacing for contact magnets and sensors
• Black, low-profile finish blends with equipment and wiring for a professional appearance
• Bulk pack of 100 keeps crews supplied for multiple jobs and large-scale deployments