4" 120-volt Firebox.

• Universal J-box with snap out sides
• 1/2-in and 3/4-in knock outs for rigid conduit or BX fittings
• Grounding pigtail
• Knock out free integral Romex clamps
• Access door in housing for field inspection of wiring
• Notched housing for chalk line alignment
• Overspray protection
• Socket can be used as work light
• Porcelain socket with nickel plated brass screw shell
• Fits into 2x10 construction
• 6 pieces of UL classified fire resistant gypsum board attached to recessed housing
• Fiberglass gasket on bottom of frame to minimize heat transfer into ceiling cavity
• Integral nailers for wood joist construction (must be reinforced with screws/nails per instruction sheet)
• Integral T-bar mounting clamps
• Spans 24-in
• Lock in position to secure housing
• Non-IC rated (insulation must be kept 3-in away from housing)
• UL-CUL listed for damp location and feed through wiring
• Ul classified to maintain fire ratings of 1 hour or less for all UL L500 series and G531 fire-rated ceiling/floor assemblies
• Socket mounts to trim for optimum performance and consistent lamp position
• Trims are equipped with 3 riveted spring steel retention clips to hold trim snugly against ceiling