Nora Lighting NHIC-427LMRAT/277 4 Inch Shallow IC Air-Tight LED Dedicated New Construction Housing

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Nora Lighting NHIC-427LMRAT/277

NHIC-427LMRAT/277 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 Nora 4″ Onyx and Pearl LED reflectors.


· Shallow IC rated housing for direct contact with insulation
· Quick connect provided for electrical connection to the LED reflector
· IC Air-Tight energy saving by reducing the flow of air through the ceiling
· cULus listed for damp location and through branch circuit wiring


0.040 aluminum housing with riveted cap adjusts from 1/2" to 1" depth.

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.

“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. Hanger bars have T-Bar slot and alignment feet. 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 allows easy installation in a suspended ceiling.

Junction Box:
Prewired 25 cubic inch 0.064’’ thick galvanized steel, with two 1/2", three 3/4", and one 1-1/8" 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).

Input Voltage:
120V or 277V

Quick connect for LED reflectors

Operating Temp.:
77°F (25°C) max. ambient temperature

Specified by reflector

Step Down Transformer (converts 277V input to 120V):
Optional 50W step down transformer installed (NHIC-427LMRAT/277). Through branch wiring is limited to 3-in and 3-out.

NOX-431 - 4” Onyx Round Reflector
NOX-432 - 4” Onyx Round Baffle
NOX-436 - 4” Onyx Square Reflector
NOXAC-431 - 4” AC Onyx Round Reflector
NOXAC-432 - 4” AC Onyx Round Baffle
NOXTW-431 - 4” Onyx TW Round Reflector
NOXTW-432 - 4” Onyx TW Round Baffle
NPR-4RC - 4” Pearl Round Adjustable Cone
NPR-4RG - 4” Pearl Round Adjustable Gimbal
NPR-4SC - 4” Pearl Square Adjustable Cone
NPR-4SG - 4” Pearl Square Adjustable Gimbal

· cULus Listed for damp location & feed through (wet location when used with compatible reflectors)
· Meets or exceeds ASTM-283 Air-Tight requirements
· Certified to the high efficacy requirements of California Title 24 JA8-2019 (when used with compatible reflectors)
· RoHS compliant

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-427LMRAT/277 4 Inch Shallow IC Air-Tight LED Dedicated New Construction Housing
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