Best Lighting 4" Non IC Airtight Housing


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: Best Lighting

BL4N-AT Airtight Universal Housing Non-IC

  • Small Aperture Housing for accent and task lighting.
  • The BL4N-AT is Washington State energy code approved to meet restricted airflow requirements.
  • Airtight housing limits the exchange of air between ceiling plenum and heated/cooled areas.

Housing Features

  • Internal thermal protector guards against misuse of insulation materials ad improper lamping.
  • Adjustable socket bracket allows the use of different lamps types and sizes, as well as proper and consistent lamp positioning.
  • Junction box is listed for through branch circuit wiring and has several 1/2" knockouts. Four Romex pry-outs include integral strain relief and require no additional claps.
  • Reinforced captive bar hangers allows housing to be positioned at any point within a 24" joist span and then locked in place with a set screw.
  • Unique beak design provides quick installation.4 double-headed captive nails/screws provide for ease of installation.
  • Bar hangers fit onto T-Bar spine for quick alignment and can be permanently secured.
  • 5 1/2" height allows use in 2" x 6" joist construction.
  • Housing adjusts to accommodate ceiling thickness.


  • UL damp location
  • UL feed through.

ELECTRICAL MARKETPLACE has been your #1 supplier for all things lighting and electrical since 2002. We have more than 30 years of experience providing Commercial LED Lighting Solutions for a wide range of applications including warehouses, offices, barns, gymnasiums, schools, and other commercial, residential, and industrial projects! Our inventory consists of recessed cans, low profile recessed lighting, LED strip lights, vapor tight lights, parking lot lighting to office lay-in lighting, Linear T8 | T5 and lights retrofit for HID, GFCIs, receptacles, wall plates, switches, dimmers, timers, floor boxes, under cabinet lights, smoke detectors, CO2 detectors, hazardous lighting, and emergency lighting and much more! Filter your searches by wattage, lumens, color temperature, and more! Our energy efficient lighting has SAVED OUR CUSTOMERS HUNDREDS OF THOUSANDS OF DOLLARS, and we want you to do the same! Take a look at THIS warehouse. Not only has it prevented the emission of 153 tons of gren house gasses anually, but its owners have saved $29,000 per year by switching to our lights! How about THIS client who is saving $242,000 per YEAR with BETTER LIGHTS!!! This isn't just a purchase - it's an INVESTMENT! You can check out more of our past projects HERE.