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Nora Lighting

NORA NFBIC-4INCATA 4" Line Voltage IC Air-Tight Fire Rated New Construction Housing

NORA NFBIC-4INCATA 4" Line Voltage IC Air-Tight Fire Rated New Construction Housing

Regular price $69.99
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4" Line Voltage IC Air-Tight Fire Rated Housing

Specification grade fire-rated new construction housing. The double wall fixture incorporates a non-combustible fiber insulation to prevent passage of flames, toxic gases, ignitable gasses into ceiling plenums. cULus listed housing with two-hour fire rated classification. The noncombustible fiber fill also acts as sound deadening material eliminating the transfer of sound between floors. Suitable for commercial, multi-family and residential applications.

  • Rated for direct contact with insulation
  • cULus classified Two Hour Fire Rating
  • cULus listed for wet location and through branch circuit wiring
  • 24-1/2" Bar hangers with captive nails and alignment foot
  • Accommodates 1-3/8" maximum ceiling thickness
Length (In.) 10-11/16"
Width (In.)  7-11/18"
Height (In.) 6-3/4"
Ceiling Cutout (In.) 4-3/8"

    Light Source Line Voltage
    Aperture Size 4"
    Construction Type New Construction, Air-Tight IC
    Options Fire Rated

    Fire Rating: cULus two-hour fire rated classification. Housings are direct contact rated; no minimum clearance is required

    Bar Hangers: Bar hangers are adjustable from 13-5/8″ to 24-1/2″ and can be repositioned 90 degrees. Bar hangers are slotted for T-bar installation and include captive nails.

    Maximum Wattage: 35W (actual wattage varies with trim)

    Spec Sheets

    Spec Sheet

    Installation Instructions


     Plaster Frame High quality 0.03" steel die cut one piece frame
    Housing Die formed 22 gauge galvanized steel construction. Housing interior is comprised of a flexible non-combustible insulation
    Air Flow Restriction  Housing has factory installed gaskets to restrict airflow from room into ceiling plenum to <2CFM (cubic feet per minute) in accordance with ASTM-283 Air-Tight requirements
    Junction Box Prewired 0.03" thick galvanized steel, contains one 3/4” trade size knockout, one 3/8” trade size knockout, three 1/2” trade size knockouts and four Romex pryouts with strain relief and snap on covers. All leads are #18AWG wire, the ground wire is connected to the bottom, and quick connectors are supplied on all leads. Through branch circuit wiring, (2-in, 2-out)
    Additional Info
    Bar Hangers Two 13-3/4” to 24-1/2” adjustable bar hangers with captive nails are included on frame. Bar hangers are parallel to junction box, but can be repositioned 90º perpendicular to junction box if desired. “L” Shaped bar hanger foot to align to bottom of construction joist. A T-Bar notch allow for easy installation in a suspended ceiling
    Quick Connect Feature Housing contains three quick connections that allow insertion of 1/4" standard conductors to be inserted into the connector. Connectors are pre-attached to fixture power, common, and ground circuits
    Installation Classified for use in two hour fire rated L500 Series floor-ceiling designs in the UL Fire Resistance Directory. Mark Spacing, number of luminaires not to exceed the ratio, one per 25sq ft of the total ceiling area, with minimum separation of 3ft between luminaires
    Thermal Protection Standard UL thermal protector rated for 110ºC is affixed to inner top surface of housing
    Sound Deadening STC tested by a certified acoustical testing lab. STC (Sound Transfer Class) will only change by 1 point when NFBIC housing is installed.
    Input Voltage 120V 
    Socket Medium base
    Lamp Type Varies per trim
    Wattage 35W max 
    Dimming Varies per Lamp

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