NORA Lighting NFBIC-4LMRATA 4" LED Dedicated IC Air-Tight Fire Rated Housing

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NFBIC-4LMRATA Product Description

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 gases into ceiling plenums. The cULus listed housing is rated for a minimum of 2 hours protection. 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.


Weighs 5.2 lbs
Rated for direct contact with insulation
cULus classified Two Hour Fire Rating
24-1/2" Bar hangers with captive nails & alignment feet
Accommodates 1-3/4" maximum ceiling thickness


Plaster Frame: High quality 0.03" steel die cut one piece frame.

Housing: Die formed 20 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.

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.

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.

Input Voltage: 120V or 120/277V (must specify)
Socket: Quick connect for LED reflectors
Wattage: 16W max.
Dimming: Triac, ELV or 0-10V (must specify

Junction Box: Prewired 0.03” thick galvanized steel, contains seven 1/2” 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, (4-in, 4-out).

Quick Connect Feature: Housing contains three UL approved quick connections that allow insertion of 1/4” stripped solid or tinned standard conductors to be inserted into the connector. Connectors are pre-attached to fixture power, common, and ground circuits.

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.

Emergency: Housing can be specified with connections for emergency battery installation (Cobalt only). Requires top access. Must specify battery with remote test switch separately, NEPK-BSL17C-C2U.

cULus Classified for Two Hour Fire Rating
cULus Listed for Wet Locations when used with compatible reflectors
Meets or exceeds ASTM-283 Air-Tight requirements
ANSI/UL 1598
STC tested for sound transfer

About Nora Lighting

After stepping into the lighting game just a little over 20 years ago, Nora lighting has sprinted its way to the top of light fixture suppliers. With a team of the most hip design experts and engineering technologies Nora lights can add a modern, yet dependable edge to your home, job, or college dorm. Nora track lighting and recessed lighting are amongst the best available. So why not play it stylish and smart and go with Nora lighting?
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NORA Lighting NFBIC-4LMRATA 4" LED Dedicated IC Air-Tight Fire Rated Housing
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