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Now In: Recessed Lighting  >  4-Inch Recessed Lighting  >  4-Inch Line Voltage New Construction Air Tight Recessed Lighting Housing

Product Overview:
  • Use PAR16 or PAR20 halogen
  • Maximum wattage: 50
  • UL listed, damp locations
  • Learn More

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4-Inch Line Voltage New Construction Air Tight Recessed Lighting Housing

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4-Inch Line Voltage New Construction Air Tight Recessed Lighting Housing

Item #PNS-401Q-AT
AvailabilityUsually ships the next business day
Quantity  Add to cartAdd to Wishlist

About our 4-Inch Line Voltage New Construction Air Tight Recessed Lighting Housing

This four-inch recessed lighting housing is fully dimmable, air tight, and compatible with a wide array of decorative trims so you can hand-select your style. It's UL approved for damp locations. Use this recessed housing in new construction or where there is access above an insulated ceiling.


  • Dimensions: only 5.75in high x 5-5/8in wide x 8.5in long
  • 4.25in Ceiling Cutout: only 4.25in in diameter
  • Adjustable Bar Hangers: bar hangers are adjustable up to 24in for easy, nail-free installation
  • Ceiling Insulation: because this housing is not IC-rated ceiling insulation must be kept at least 3 inches away from all outside surfaces of the housing


  • Lamps: uses 50-watt reflector lamp, a 50-watt PAR20 halogen lamp, or a 20-watt, 35-watt or 50-watt PAR16 mini halogen lamp. The specific lamp to be used is determined by the trim that is selected. View the various trims that can be used with this housing on the 4-Inch Recessed Lighting page.
  • Wattage of Lamps: 50 watts maximum


  • Junction Box: J-box is listed for through branch circuit wiring
  • Quick Connectors: J-box is equipped with "quick connectors" for quick, easy push-in electrical connections. If the installer prefers to use wire nuts, the "quick connectors" may be easily removed.
  • Several Knockouts: junction box has four 1/2in knockouts and two 3/4in knockouts and four more knockouts with true pry-out slots
  • Thermal Protector: integral thermal protector guards against improper lamping and installation
  • Socket Mounting Plate: adjustable socket mounting plate allows use of different lamp types and sizes as well as proper lamp positioning
  • UL Listed for Damp Location: this housing is UL listed for damp locations
  • Feed Through: housing is listed for feed through
  • Fully Dimmable: for a complete description of the dimmers that are specifically designed to control line voltage housings please click on Dimmers for Line Voltage Lighting Systems


  • Specifications Sheet: to learn more details about this recessed housing please click Spec Sheet
  • Many Decorative Trims Available: view trims on the 4-Inch Recessed Lighting page
  • Large Quantity Discount: If you would like us to quote on a large quantity of 4-Inch Line Voltage Air Tight Recessed Lighting Housings, please call us at our toll-free number or use the online Quotation Request for Large Quantities form.  We are always happy to provide you with our best large quantity pricing.

    UL Listed  1-Year Warranty  Satisfaction Gaurantee 

Product Reviews
4-Inch Line Voltage New Construction Air Tight Recessed Lighting Housing
Questions & Answers
By Warren from Grand Rapids, MI on February 11, 2015
Can this housing (PNS-401Q-AT) be used above a shower with the PNS-23 Fresnel lens for shower?
By Jacob from Pegasus Lighting on February 12, 2015

Yes, that trim and housing are used together they are suitable for use in wet locations, such as above a shower.

By Michael from Phoenix, AZ on April 1, 2013
Can this be used in an outside shallow eave?
By Jacob from Pegasus Lighting on April 1, 2013


This item is rated for damp locations. If the eave will be exposed to water spray (and it likely will since it's outside), then No, I would not recommend it for use in your situation.

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