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The SECO LARM sd-969-t15q/s is an armored electric door cord designed to carry low-voltage wiring across door hinges and frames without exposing conductors to mechanical wear. The flexible armored housing protects the internal wiring as the door cycles open and closed, maintaining a continuous electrical path for access control hardware, electric strikes, magnetic locks, or request-to-exit devices. At 18 inches in length, it provides sufficient reach for standard commercial door installations. Terminal blocks at both ends simplify field termination and allow for clean, serviceable connections without soldering.
This door loop is suited for commercial and light industrial access control installations where wiring must cross a door or gate hinge point. Electricians and low-voltage security technicians install this component when routing power or signal wiring to door-mounted hardware such as electric strikes, electromagnetic locks, or door position switches. The silver finish blends with aluminum and stainless door frames common in commercial entry applications.
Designed as an OEM-style door loop for low-voltage access control systems requiring protected wiring across door hinge points in commercial entry applications.
Installation is typically performed by a licensed low-voltage or alarm technician in accordance with local electrical codes and NEC Article 725 for Class 2 and Class 3 remote-control circuits. Power down all connected access control hardware before making terminations at the terminal blocks. Mount the loop housing securely to both the door and the frame side to prevent stress concentration at either end. Avoid sharp bends or kinking the armored jacket during routing, as this can damage internal conductors.
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