4" LED Diamond 2-Hour Fire Rated IC/Non-IC Air-Tight Housing

Nora Lighting NFBIC-4LMRAT 4" LED Diamond 2-Hour Fire Rated IC/Non-IC Air-Tight Housing
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 gasses into ceiling plenums. The cULus listed housing is rated for a minimum of 2 hours protection. The noncombustable fiber fill also acts as sound deading material eliminating the transfer of sound between floors. Suitable for commerical, multi-family and residential applications.
Features
� Rated for direct contact with insulation
� cULus classified 2 Hour Fire Rating
� cULus Wet Listed (Only with designated trims)
� cULus listed for damp location and through branch circuit wiring
� Quick connect provided
� 24-1/2" Bar hangers with captive nails and alignment foot
� Accommodates 1-3/4" maximum ceiling thickness
CONSTRUCTION
Plaster Frame
High quality 0.03" steel die cut one piece frame.
Housing
Die formed 20 guage 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.
Sound Deadening
STC tested by a certified acoustical testing lab. STC (Sound Transfer Class) was only change by 1 point when NFBIC housing was installed. Test reports on file.
Socket Connector
Quick connect provided for electrical connection to LED compatible trim.
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 90� 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.
Junction Box
Prewired 0.03" thick galvanized steel, with seven 1/2" knockouts, four Romex� pryouts, 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.
Thermal Protector
Standard UL thermal protector rated for 90�C is affixed to inner top surface of housing.
Installation
Number of luminaries not to exceed the ratio, one per 25sq ft of the total ceiling area, with minimum separation of 3ft between luminairies.
Labels and Listings
UL Classified. Two Hour Fire Rating
cULus Listed for Damp Location w/ Feed Through
cULus Wet Listed (Only with designated trims)
Meets or exceeds ASTM-283 Air-Tight Requirements
ANSI/UL 263
ANSI/UL 1598
STC tested for sound transfer.