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The SYSTEM SENSOR MWBBW is a metal weatherproof back box designed for wall-mount installation of compatible notification appliances. It provides a durable, weather-resistant enclosure that protects wiring connections and device mounting hardware in demanding environments. Constructed from metal, the MWBBW delivers structural integrity for both indoor and outdoor applications where standard back boxes are not rated for exposure to moisture or the elements. The white finish supports clean, professional installations in visible areas. Licensed fire alarm technicians and security system installers are the primary trade professionals who specify and install this type of accessory.
The MWBBW is used as a mounting and protection solution for notification appliances such as horn-strobes, speakers, and similar life-safety devices that require a weatherproof back box. It is suited for commercial and light industrial installations where devices are mounted on exterior walls or in areas subject to moisture exposure. Typical install scenarios include covered entryways, loading docks, parking structures, and other semi-exposed locations where a weatherproof enclosure is required by the authority having jurisdiction.
Designed as an OEM-style weatherproof back box for wall-mounted notification appliances commonly used in commercial fire alarm and life-safety notification systems.
Installation should be performed by a licensed fire alarm technician or qualified electrician in accordance with NFPA 72 and applicable local codes. De-energize the notification circuit and follow the system panel lockout/tagout procedure before making any wiring connections. Verify that the back box is properly sealed and all conduit entries are appropriately fitted to maintain the weatherproof rating after installation.
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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