SAE SSU00664 FB4 4" Square Fire Alarm Box, Red

Get reliable, code-friendly fire alarm mounting that saves time on every job. The Space Age Electronics FB4 4" Square Fire Alarm Box is a complete mounting and termination kit engineered for fast, professional installations in commercial and institutional systems. Built from durable 16-gauge galvanized steel and finished in high-visibility red, the FB4 protects fire alarm wiring and clearly identifies critical circuits for monitoring and maintenance.

The extra-deep 4" square box with a 2.8" depth and five standard 1/2" and 3/4" EMT knockouts accepts common conduit runs while the included tool-less terminal strip (TTS) and forged EMT connectors let technicians terminate circuits quickly—minimizing labor and on-site errors. A screened fire plate with 1" lettering and the NFPA fire symbol provides clear, compliant labeling for single- and multi-zone fire alarm installations.

Ideal for fire mounting & enclosures in schools, hospitals, retail and office buildings where security, surveillance and monitoring reliability matter, the FB4 reduces parts handling and speeds commissioning. Add the FB4 to your next project for a faster, neater fire alarm installation—order now or specify it on your next bid.

• Speeds installation with included tool-less terminal strip and EMT connectors, reducing labor time and wiring costs
• Ensures clear code compliance and visibility with a screened red fire plate and NFPA fire symbol for easy identification
• Durable 16-gauge galvanized steel construction protects fire alarm circuits in demanding commercial environments
• Pre-punched 1/2" and 3/4" EMT knockouts and deep 4" x 2.8" box depth simplify routing and device accommodation
• Complete kit reduces procurement overhead—everything needed for a professional fire alarm mounting in one package