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The GEORGE RISK INDUSTRIES INC. 4532CL is an overhead garage door contact switch configured in a Form C (single-pole double-throw) arrangement and mounted using an L-bracket. Form C contacts provide both a normally open and a normally closed circuit path, making them well suited for security, access control, and alarm monitoring applications. The L-bracket mount is designed to position the contact correctly against an overhead garage door panel or frame. This type of switch is typically installed by low-voltage alarm technicians or security system integrators.
The 4532CL is intended for use with overhead garage doors in residential and light commercial settings. It is sold individually (each) and fits into miscellaneous contact categories commonly referenced in security and alarm system installations. The Form C configuration allows the installer to wire for either a normally open or normally closed supervisory loop, providing flexibility across different control panel requirements.
Designed as an OEM-style replacement or new-installation contact switch for overhead garage door security and alarm monitoring systems.
Installation is typically performed by a licensed low-voltage alarm or security technician. Before installing or servicing the contact, ensure the alarm panel or control system is powered down or placed in a service mode. Mounting the L-bracket to the door frame or track header should be done so the contact actuates reliably at the full closed position of the door. Follow local building codes and NEC guidelines for low-voltage wiring practices.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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