{"product_id":"george-risk-industries-6644-magnetic-contact-resistor","title":"George Risk Industries 6644 Magnetic Contact Resistor","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe George Risk Industries 6644 is a magnetic contact resistor with two leads, designed for use in security and access control wiring systems. This component provides resistive termination within a magnetic contact circuit, allowing supervised alarm loops to detect both open and short-circuit fault conditions. It is typically installed inline with or across the contacts of a magnetic door or window sensor. Electricians and security system technicians install this part as part of zone supervision in residential and commercial alarm systems.\u003c\/p\u003e\u003cp\u003eThe 6644 is suited for supervised loop applications in residential and commercial security installations. It is used alongside standard magnetic door contacts, window contacts, and similar normally-open or normally-closed sensors where end-of-line or in-line resistance is required by the control panel or monitoring system. Installers will typically use this component when a panel or zone specification calls for supervised wiring with resistive fault detection.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTwo-lead resistor format for direct inline or parallel wiring in supervised contact circuits\u003c\/li\u003e\n\u003cli\u003eCompact form factor suited for installation inside door or window contact housings\u003c\/li\u003e\n\u003cli\u003eDesigned for use in security alarm zone supervision applications\u003c\/li\u003e\n\u003cli\u003eSold as individual unit for precise replacement or new installation use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style component for supervised magnetic contact circuits in residential and commercial security alarm systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by a licensed electrician or certified security system technician. De-energize the alarm panel zone before connecting or replacing this component. Follow applicable NEC guidelines and the control panel manufacturer wiring requirements for supervised loop resistance values. Avoid cutting lead wires shorter than necessary to maintain a reliable solder or crimp connection.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Per Unit\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: Miscellaneous Contacts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: George Risk Industries Inc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 6644\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GEORGE RISK INDUSTRIES INC.","offers":[{"title":"Default Title","offer_id":51687925711154,"sku":"6644","price":16.37,"currency_code":"USD","in_stock":true}],"url":"https:\/\/voomisupply.com\/products\/george-risk-industries-6644-magnetic-contact-resistor","provider":"Voomi Supply","version":"1.0","type":"link"}