Product Description
NS-401QAT is a 4" line voltage new construction housing from Nora Lighting, designed for installations where insulation is kept at least 3" away from the housing. This non-IC rated, air-tight housing is compatible with numerous Nora 4" trims and LED retrofits, offering energy efficiency, durable construction, and compliance with modern building standards.
Brand: Nora Lighting
Model: NS-401QAT
Voltage: 120V
Socket: Medium Base
Max Wattage: 50W (R/PAR20)
Rating: Non-IC, Air-Tight
Ceiling Cutout: 4-3/8"
Application: New Construction – Line Voltage
Free shipping on orders over $250
Product Benefits
- Air-tight construction reduces airflow between living spaces and ceiling plenum
- Prewired junction box and quick connectors for efficient installation
- Compatible with numerous trims, including baffles, reflectors, and lens options
- Certified for damp locations and through-branch circuit wiring
Key Features
- Socket: Medium base with adjustable steel socket plate and protective cap
- Bar Hangers: Adjustable from 13-3/4" to 24-1/2" with captive nails and T-bar compatibility
- Junction Box: 25 cu. in., prewired, with knockouts, pryouts, and snap-on covers
- Air Flow Restriction: Factory-installed gaskets limit leakage to <2CFM (ASTM-283 compliant)
- Thermal Protection: UL-listed thermal protector rated to 90°C
Specifications
Dimensions
| Height | 5-3/4" |
| Width | 5-5/8" |
| Length | 8-1/2" |
| Ceiling Cutout | 4-3/8" |
Compatible Trims
- NS-12 – Adjustable Gimbal
- NS-22 / NS-23 / NS-24 / NS-25 – Lensed trims (wet location rated)
- NS-40 / NS-41 / NS-42 / NS-43 / NS-44 / NS-46 – Baffle and Reflector trims
- NS-45 / NS-47 / NS-48 – Specialty and wall wash trims
- NS-4855 to NS-4914 – Square trims, pinholes, reflectors, and gimbals
- NS-76 – Lensless Baffle Shower Trim (wet rated)
Application Examples
- Residential and commercial new construction lighting projects
- Ceilings with no insulation contact (Non-IC)
- Projects requiring air-tight, energy-efficient lighting housing
- Hallways, offices, bathrooms (with appropriate trims)
Installation Tips
- Maintain at least 3" clearance from thermal insulation
- Mount with bar hangers using captive nails or T-bar alignment slots
- Ensure compatibility with listed trims for damp or wet location use
- Use UL-approved quick connect terminals for simplified wiring
Frequently Asked Questions
Q: Can this housing be used in insulated ceilings?
A: No, it is a Non-IC rated housing and must maintain a 3" clearance from insulation:contentReference[oaicite:0]{index=0}.
Q: Is this housing air-tight?
A: Yes, it meets ASTM-283 air-tight standards with factory-installed gaskets:contentReference[oaicite:1]{index=1}.
Q: What trims are compatible with NS-401QAT?
A: It supports numerous 4" trims including adjustable gimbals, baffles, lens trims, square trims, and wall wash options. See full list above:contentReference[oaicite:2]{index=2}.
Q: Is it suitable for wet locations?
A: Yes, when used with designated wet location trims such as NS-22, NS-23, NS-24, and NS-76:contentReference[oaicite:3]{index=3}.
Q: What is the maximum wattage supported?
A: 50W max for R/PAR20 lamps. Lower wattage options (e.g., 25W, 20W) available with alternate labeling:contentReference[oaicite:4]{index=4}.
