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Kidde | Outdoor-Rated Weatherproof Surface-Mount Backbox for Fire Alarm Notification Appliances, Fire Red | 74347U

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SKU:
KD-74347U

The 74347U is an outdoor-rated surface-mount backbox built for field installations where flush mounting isn't an option. Die-cast construction and threaded conduit entries handle exterior and exposed environments without the weather concerns that come with standard stamped-steel gang boxes.

Built for the commercial installer

When a notification appliance needs to go on a concrete wall, metal panel, or exterior surface, a weatherproof backbox is the foundation of a clean install. The 74347U provides threaded conduit entries for watertight connections and a durable fire red baked enamel finish that matches the Kidde Commercial notification appliance line. Surface-mounts with rear mounting holes - no special hardware or adapters required.

Key features

  • Outdoor-rated construction: die-cast build with threaded conduit entries for weatherproof installations
  • Fire red finish: durable baked enamel matches Kidde Commercial notification appliance color scheme
  • Threaded conduit entries: multiple entry points on sides, top, and bottom for flexible conduit routing
  • Surface-mount ready: rear mounting holes for direct attachment to walls, concrete, or metal surfaces
  • Grounding provision: built-in ground connection for code-compliant installations

Compatibility

Designed for use with Kidde Commercial fire alarm notification appliances including Genesis horns, strobes, horn-strobes, speakers, and pull stations requiring surface-mount backbox installations in outdoor or exposed environments.

Brand:
Kidde Commercial
Form factor:
Surface-mount backbox
Construction:
Die-cast with baked enamel finish
Color:
Fire red
Rating:
Outdoor-rated
Conduit entries:
Threaded hubs, multiple entry points (sides, top, bottom)
Mounting:
Surface-mount, rear mounting holes
Grounding:
Built-in grounding provision
Compatibility:
Kidde Commercial fire alarm notification appliances (Genesis series, pull stations)
Is the 74347U rated for outdoor installations?
Yes. Die-cast construction with threaded conduit entries for weatherproof connections. Handles exterior wall mounts, exposed environments, and anywhere standard stamped-steel boxes aren't rated for the conditions.
What Kidde notification appliances fit this backbox?
The 74347U is designed for Kidde Commercial fire alarm notification appliances, including Genesis horns, strobes, horn-strobes, speakers, and manual pull stations that require a surface-mount backbox.
What type of conduit connections does the 74347U accept?
The backbox has multiple threaded conduit entries on the sides, top, and bottom for flexible routing. Threaded hubs provide watertight connections for outdoor installations.
Can this backbox be used indoors?
Yes. While rated for outdoor use, the 74347U works equally well in indoor surface-mount applications where a standard flush-mount box isn't feasible - concrete walls, metal panels, mechanical rooms, and similar surfaces.