Product Description
The NHIC-4LMRAT/4W from Nora Lighting is a 4-inch IC-rated air-tight new construction housing designed specifically for use with LED retrofit luminaires. This energy-efficient fixture supports 120/277V input with advanced dimming options (TRIAC, ELV, 0-10V) and complies with California Title 24 JA8-2022 standards when paired with compatible downlights such as the Cobalt Series.
Product: NHIC-4LMRAT/4W LED New Construction Housing
Brand: Nora Lighting
Voltage: 120/277V AC
Dimming: TRIAC / ELV / 0-10V (with compatible downlight)
IC Rated: Yes
Air-Tight: ASTM E283 Compliant
Compatible Series: Iolite, Cobalt, Marquise II, Onyx, Pearl
Free shipping on orders over $250
Product Benefits
- IC rated for direct insulation contact
- Meets ASTM-283 air-tight standards to reduce HVAC load
- Quick connect socket ensures fast LED downlight integration
- ENERGY STAR and Title 24 compliant when used with compatible downlights
Key Features
- Input Voltage: 120/277V
- Dimming Options: 120V (TRIAC / ELV / 0-10V), 277V (0-10V)
- Construction: Die-cast steel frame and galvanized steel housing
- Junction Box: Prewired 25 cu. in., includes knockouts and Romex pryouts
- Mounting: Bar hangers adjustable from 13-3/4" to 24-1/2", T-bar notch for suspended ceilings
Technical Specifications
| Housing Details | |
|---|---|
| Input Voltage | 120/277V |
| Housing Type | IC Air-Tight New Construction |
| Dimming | TRIAC, ELV, 0-10V (downlight dependent) |
| Compatible LEDs | Iolite, Cobalt, Marquise II, Onyx, Pearl |
| Junction Box Rating | 90°C, 8 No. 12 AWG conductors |
| Max Operating Temp | 122°F (50°C) |
| Certifications | cULus, ENERGY STAR, Title 24 JA8-2022, RoHS |
Ideal Applications
- Residential new construction ceiling projects
- Commercial buildings with insulation contact rated ceilings
- Lighting systems requiring airtight, energy-efficient housings
- Installations requiring 120V or 277V flexibility with dimming
Installation Tips
- Mount bar hangers between joists or to T-bar grid using integrated nails and notches
- Use quick connect plugs for easy LED downlight wiring
- Ensure ceiling cutout is 4-3/8"
- Compliant with both residential and commercial code requirements
Frequently Asked Questions
Q: What dimming options are supported?
A: This housing supports TRIAC, ELV, and 0-10V dimming depending on the connected LED downlight driver.
Q: Is this fixture IC rated?
A: Yes, it is IC rated and safe for direct contact with insulation.
Q: Does it support 277V systems?
A: Yes, the NHIC-4LMRAT/4W version accepts both 120V and 277V input.
Q: What downlights are compatible?
A: This housing works with Nora Iolite, Cobalt, Marquise II, Onyx, and Pearl 4" LED retrofit series.
Q: Is it Title 24 compliant?
A: Yes, it meets Title 24 JA8-2022 efficacy standards when paired with a compliant downlight.
