Space Age Electronics SSU00664


FB4 Fire Alarm Box

Availability: Estimated 12 days

Condition: New
Brand: Space Age Electronics
Status: Active
SKU: 53603
Manufacturer Part #: SSU00664


This economical kit comes with everything you need for quick termination of fire alarm circuits in a professional installation. The FB4 was designed to aid in minimizing wiring cost and meeting code compliant UL 864 Rev. 9, Section 12.4 Field Wiring Applications and Section 89.1.2 Markings and Indication of Connection requirements. The FB4 Box also will meet NEC Code requirements where a junction box is required after 360 degrees of conduit bends.

Additional information

Weight 4.00 lbs
Dimensions 2.75 × 4.00 × 4.00 in




Production Status



  • One red 4” squre extra-deep 16 gauge cold rolled steel NEMA 1 rated electrical appliance box
  • Dimensions are 4” x 4” x 2 3/4” deep
  • Five standard 1/2” and 3/4” EMT knockouts
  • One red Fire plate with 1” lettering and NFPA Fire symbol screened with white indelible ink
  • Address label for circuit identification
  • One 4 point TTS Tool-Less Terminal Strip installed and mounted on 4” square 18 gauge galvanized box bracket


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FB4 Fire Alarm Box


Space Age Electronics - Data Sheet