1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your LEONLITE 4FT Anti-Glare Linear LED Light (Model 85666). This fixture is designed for commercial and residential applications, featuring 0-10V dimming capabilities and a linkable design for versatile lighting solutions. Please read this manual thoroughly before installation and retain it for future reference.
2. Important Safety Information
- Always turn off power at the circuit breaker before installation, removal, or servicing.
- Installation must be performed by a qualified electrician in accordance with national and local electrical codes.
- Ensure the supply voltage is compatible with the fixture (100-277V AC).
- Do not install in wet locations. This fixture is rated for indoor, damp locations.
- Do not attempt to modify the fixture. Any modifications will void the warranty and may pose a safety hazard.
- Handle the fixture with care to avoid damage to the LED components.
3. Package Contents
Verify that all components are present before beginning installation:
- LEONLITE 4FT Anti-Glare Linear LED Light Fixture (2 units per pack)
- Mounting Accessories (screws, expansion tubes, cable mounting brackets, suspension cables)

Image: Overview of the linear light fixture dimensions and included accessories for installation.
4. Product Specifications
| Feature | Specification |
|---|---|
| Model Number | 85666 |
| Wattage | 40W |
| Luminous Flux | 4600 Lumens |
| Efficacy | 115 lumens per watt |
| Color Temperature (CCT) | 4000K Cool White |
| Voltage | 100-277V AC |
| Dimmability | 0-10V Dimmable |
| Beam Angle | 48° (Anti-Glare) |
| Material | Aluminum |
| Dimensions (L x W x H) | 48.82" x 7.28" x 5.2" |
| Lifespan | 30,000 hours |
| Certifications | UL Listed, DLC, ETL, FCC |
| Installation Type | Suspended |
| Indoor/Outdoor Usage | Indoor (Damp Location Rated) |
5. Setup & Installation
Follow these steps for proper installation of your linear LED light fixture. Ensure power is OFF at the circuit breaker before starting.
5.1. Mounting the Fixture
- Prepare Mounting Location: Drill holes in the ceiling for the expansion tubes and screw in the fixing brackets.
- Attach Suspension Cables: Secure the suspension cables to the cable mounting brackets on the fixture. The cables can be adjusted for desired height.
- Hang the Fixture: Carefully hang the fixture from the ceiling using the secured suspension cables.

Image: The suspension wire is adjustable, allowing for flexible height positioning of the light fixture.

Image: Step-by-step visual guide showing how to connect the AC plugs and link multiple units together using a connecting plate.
5.2. Electrical Connections
- Open the wiring compartment on the fixture.
- Connect the AC input wires (Live, Neutral, Ground) from your power supply to the corresponding wires in the fixture.
- For 0-10V dimming, connect the dimming wires (Purple and Gray) to a compatible 0-10V dimmer switch.
- Close the wiring compartment securely.
5.3. Linking Multiple Units (Optional)
This fixture features a linkable design, allowing you to connect multiple units for extended lighting runs.
- Connect the AC plugs of adjacent fixtures together.
- Push the units together to align.
- Secure the connection using the provided connecting plate and screws.
- You can connect up to 7 units at 120V or 14 units at 277V in a single run.
Video: This video demonstrates the installation process, including wiring and linking multiple units of the LEONLITE 4FT Anti-Glare Linear LED Light.
6. Operating Instructions
6.1. Powering On/Off
Once installed and wired correctly, restore power at the circuit breaker. The light fixture will illuminate.
6.2. 0-10V Dimming
This fixture is compatible with 0-10V dimmers. Connect the purple and gray dimming wires to a compatible 0-10V dimmer switch (sold separately) to adjust the brightness level from 10% to 100% smoothly without flicker or buzzing.

Image: Visual representation of the 0-10V dimming capability, showing the light at various brightness levels in an office environment.
6.3. Anti-Glare Feature
The fixture's deep baffle design creates a precise 48° beam angle, directing light downwards and minimizing glare. This design ensures comfortable illumination for tasks without causing eye strain.

Image: A diagram showing the 48-degree beam angle and how it prevents glare from entering the normal sitting visibility range, ensuring comfort.
7. Maintenance
The LEONLITE Linear LED Light requires minimal maintenance. Follow these guidelines to ensure optimal performance and longevity:
- Cleaning: Ensure the power is off before cleaning. Use a soft, dry, or slightly damp cloth to wipe the exterior of the fixture. Do not use abrasive cleaners, solvents, or cleaners containing alcohol, as these can damage the finish or electrical components.
- Inspection: Periodically inspect the suspension cables and mounting hardware to ensure they are secure. Check for any visible damage to the fixture or wiring.
- LEDs: The integrated LED components are designed for long life and are not user-replaceable.
8. Troubleshooting
If you encounter issues with your LEONLITE Linear LED Light, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | No power supply; Loose wiring; Faulty fixture. | Check circuit breaker; Verify all wire connections are secure; Contact customer support if issue persists. |
| Light flickers or buzzes | Incompatible dimmer; Loose dimming wires; Electrical interference. | Ensure a compatible 0-10V dimmer is used; Check dimming wire connections; Consult an electrician for electrical interference. |
| Dimming does not work | Incorrect dimmer type; Dimming wires not connected or incorrectly wired. | Confirm dimmer is a 0-10V type; Verify purple and gray dimming wires are correctly connected to the dimmer. |
| Light output is low | Dimmer set too low; Dust/dirt on light surface. | Adjust dimmer to a higher setting; Clean the fixture surface. |
If troubleshooting steps do not resolve the issue, please contact LEONLITE customer support.
9. Warranty Information
This LEONLITE product is covered by a 3-Year Warranty from the date of purchase. The warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by improper installation, misuse, abuse, accidents, or unauthorized modifications.
To make a warranty claim, please retain your proof of purchase and contact LEONLITE customer support.
10. Customer Support
For technical assistance, warranty inquiries, or any questions regarding your LEONLITE 4FT Anti-Glare Linear LED Light, please contact our customer support team:
- Website: Visit the official LEONLITE website for support resources and contact information.
- Email: Refer to your product packaging or the LEONLITE website for the most current email address.
- Phone: Refer to your product packaging or the LEONLITE website for the most current phone number.