Nora Lighting NHIOICD-425LE4/PEM 4" Iolite LED Dedicated IC Airtight New Construction Housing, 28W, 120/277V input; Triac / ELV / 0-10V dimming, Pre-Wired for Remote Emergency

Product Overview

The Nora NHIOICD-425LE4/PEM is a 4-inch Iolite LED dedicated recessed housing for new-construction installations. It delivers 28 W on 120/277 V and is rated IC airtight for direct contact with ceiling insulation.

Designed for professional residential and commercial projects, the housing supports Triac/ELV and 0-10V dimming and is pre-wired for a remote emergency battery pack.

Key Features

• 4 in aperture, dedicated Iolite LED housing
• 28 W nominal input at 120/277 V
• IC-rated airtight construction — can contact ceiling insulation
• New-construction design for installation before finish ceiling
• Multi-volt (120/277 V) input for residential and commercial circuits
• Dimming compatible: Triac / ELV and 0-10V control
• Pre-wired for remote emergency (compatible with remote emergency units)

What this housing does

The NHIOICD-425LE4/PEM is a dedicated 4-inch recessed housing engineered for Iolite LED modules in new-construction ceilings. It provides a complete, IC-rated airtight enclosure for LED fixtures, enabling installation where the housing may be in direct contact with ceiling insulation.

• Dedicated to 4 in Iolite LED downlights
• Encloses and protects the LED module and wiring in a new-construction ceiling assembly

Recommended applications

This housing is suitable for new-construction residential and commercial ceilings where a compact 4-inch LED downlight is required and IC contact with insulation is expected.

• New-construction general and accent lighting
• IC-rated ceilings where housing contacts insulation
• Commercial spaces using 277 V circuits and residential spaces on 120 V

Electrical and dimming compatibility

The unit is rated for 120/277 V input and carries a 28 W nominal wattage. It supports Triac/ELV dimming as well as 0-10V control for smooth light-level adjustment when paired with appropriately rated controls.

• Input voltage: 120/277 V
• Nominal wattage: 28 W
• Dimming: Triac / ELV and 0-10V (use a dimmer rated for the connected load)

Mounting and installation type

This model is built for new-construction installation, allowing the housing to be mounted prior to the finished ceiling. Its IC airtight rating permits placement in contact with insulation without compromising thermal performance.

• Installation: New-construction — mount before ceiling finish
• Housing rating: IC Airtight (suitable for direct insulation contact)

Emergency and remote compatibility

The NHIOICD-425LE4/PEM is pre-wired to accept a remote emergency battery pack, enabling maintained emergency illumination when paired with a compatible remote emergency unit.

• Pre-wired for remote emergency (requires compatible remote emergency unit)
• Confirm remote emergency unit compatibility and load ratings before installation

Key specifications

Use the specifications below as a concise technical reference for planning and comparison.

• Brand: Nora Lighting
• Model / SKU: NHIOICD-425LE4/PEM
• Product series: NHIOICD-425
• Aperture size: 4 in
• Wattage: 28 W
• Voltage: 120/277 V
• Dimming: Triac / ELV and 0-10V
• Housing rating: IC Airtight
• Construction type: New Construction
• Compatible with: Remote emergency units

Before You Order

Confirm the exact model number and the quantity required for your project. Verify dimmer and remote emergency unit compatibility with the listed electrical ratings prior to purchase and installation.

• Confirm NHIOICD-425LE4/PEM is the intended SKU for your fixture system
• Ensure dimming controls are rated for a 28 W load and support the selected dimming method (Triac/ELV or 0-10V)
• Verify remote emergency unit compatibility and required wiring for pre-wired emergency connection

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Nora Lighting NHIOICD-425LE4/PEM 4" Iolite LED Dedicated IC Airtight New Construction Housing, 28W, 120/277V input; Triac / ELV / 0-10V dimming, Pre-Wired for Remote Emergency. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.