NORA Lighting NHIC-4LMRAT/4W 4" IC Air Tight New Construction Housing 277V 0-10V dimming (for Cobalt Series with LE4) 120 ~ 277V

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NHIC-4LMRAT/4W Product Description

Dedicated new construction housing for use in insulated ceilings can be in direct contact with insulation. Air-tight construction provides energy savings by reducing the flow of air through the ceiling. The housing is dedicated and labeled for use with PRISM, Cobalt, Marquise, Onyx and Opal series LED fixtures.


IC rated for direct contact with insulation
Quick connect provided for electrical connection to the LED reflectors
ASTM E283 for Air-Tight
24-1/2" bar hangers with captive nails and alignment foot


Plaster Frame: High quality 0.040 steel die cut one piece frame.
Housing: 0.040 aluminum housing with riveted cap adjusts from 3/8" to 7/8". Spring brackets accept torsion wing trim springs; slots on socket plate surface accept standard coil springs.
Air Flow Restriction: Meets requirements of Air-Tight (AT) <2CFM (cubic feet per minute) in accordance with ASTM-283 Air-Tight requirements.
Chicago Plenum: Compliant with City of Chicago Environmental Air (CCEA).
Clearance: “IC” Insulated ceiling housings are direct contact rated. Not to be used in direct contact with spray foam insulation.
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.
Junction Box: Prewired 25 cubic inch 0.064” thick galvanized steel, with five 1/2”, two 3/4” 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).
(Converts 277V input to 120V) Optional 50W step down transformer installed (NHIC-4LMRAT/277)
Optional 90-minute battery back-up and remote test switch, must specify. Available with 0-10V dimming.
Voltage: 120V or 120/277V
Operating Temp.: 122˚F (50˚C) max. ambient temp.
Dimming: Triac / ELV or 0-10V Dimming, as specified on
reflector / housing combination.
cULus Listed for Damp location & feed through
Suitable for wet location with applicable reflector
Can be used to comply with 2016 Title 24 - part 6
High Efficacy LED light source requirements when used with compatible reflector
WSEC ASTM E283 for Air-Tight
RoHS Compliant
CCEA (Chicago Plenum only)

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 NHIC-4LMRAT/4W 4" IC Air Tight New Construction Housing 277V 0-10V dimming (for Cobalt Series with LE4) 120 ~ 277V
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