RANDL® 5 SQUARE Fire Alarm Signal Boxes

Maximize the Reliability of Your Emergency Signal Installation


What's special about these fire alarm mounts?

  • Provides a full 88 cubic inches of space, nearly double that of standard electrical boxes
  • Outer plate reduces the opening to a 4 square, allowing you to use standard fixtures in a greatly improved enclosure
  • Available unfinished or in a higher-gloss, attention-getting safety red for easy identification in case of emergency
  • Greatly reduces the risk of ground faults and short circuits for increased electrical and personnel safety
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ETL Listed

If there is a fire or other emergency in your facility, a fully functional signal alarm is absolutely non-negotiable. 5 SQUARE® Fire Alarm Signal Back Boxes have double the interior space of standard electrical boxes, allowing proper cable bend radius for lowered risk of short circuits and ground faults. Hands also have more space to work, so maintenance and repair are a breeze.

  • Even oversized fire alarms fit easily inside, ensuring low-labor, low-cost upgrades
  • Easy installation saves labor costs over traditional 4 square boxes
  • Large amount of interior space makes maintaining or repairing your alarm a breeze


  • ETL approved for safe installation inside and outside walls, and all other typical fire alarm mounting spaces








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