4-foot LED strip light for drop ceilings with linear housing and diffuser for continuous row lighting; 120–277V input, 20/30/40W options (1,900–3,800 lumens) with 3000K/3500K/4000K selections.

4ft LED Strip Light for Drop Ceiling 20/30/40W 1900–3800 Lumens 3000K/3500K/4000K 120–277V


Used in drop ceiling applications requiring linear strip fixtures for supplemental or perimeter lighting. This SLG Lighting 4ft LED strip light supports selectable wattage and consistent distribution. It operates on 120–277V systems for commercial interiors.


Regular price$176.00
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Technical Specifications & Performance Data

Brand SLG Lighting
Fixture Length 4 ft
Wattage Selectable: 20W / 30W / 40W
Voltage 120–277V
Lumens Selectable: 1,900 / 2,850 / 3,800
Lamp Type LED
CCT Selectable: 3000K / 3500K / 4000K
CRI 80+
Dimming 0–10V
Certifications UL Listed, FCC Compliant, RoHS Compliant
Minimum Operating Temperature 32°F
Location Rating Damp Location
Finish White
Dimensions 47.76" L × 5.75" W × 0.94" H
Warranty 5-Year Warranty

Project Documentation & Technical Downloads

Technical FAQ Deep-Dive

What wattage and lumen output options are available for this 4ft LED Strip Light?

The 4ft LED Strip Light by SLG Lighting is engineered for high-performance efficiency, making it an ideal choice for energy-conscious installations. Unlike standard shop lights, this fixture offers selectable wattage models and achieves exceptional efficacy, ensuring long-term value:

  • Wattage Selectable Models:
    • 20W: ~1,900 lumens
    • 30W: ~2,850 lumens
    • 40W: ~3,800 lumens
  • Efficacy: Up to 150 lm/W, providing significantly more efficient performance than typical utility strip lights. This high efficacy ensures maximum energy savings while delivering superior light output.

What color temperature (CCT) options are available for the 4ft LED Strip Light?

The 4ft LED Strip Light offers selectable color temperatures to match various lighting needs. The CCT selection is located behind the lens, providing easy customization:

  • CCT Options: 3000K, 3500K, 4000K
  • Color Rendering Index (CRI): 80+, offering reliable color accuracy for a variety of commercial environments.

What is the significance of the 0–10V dimming feature?

The 4ft LED Strip Light comes equipped with 0–10V dimming, which allows the fixture to integrate with advanced lighting control systems. This feature is critical for compliance with energy codes such as ASHRAE 90.1-2022 and IECC 2024, enabling the light to adjust its output when spaces are unoccupied, thereby reducing energy consumption.

What is the construction of the 4ft LED Strip Light?

Engineered for durability and long-lasting performance, the 4ft LED Strip Light is designed to provide reliable service throughout its lifespan:

  • Tool-Less Entry: The fixture allows for easy access to the driver compartment with no tools required, saving time during maintenance and installation.
  • Lens Integrity: The frosted polycarbonate lens provides uniform, glare-free illumination and is impact-resistant, ensuring the fixture performs well even in high-traffic environments.

How does the 4ft LED Strip Light stand out in terms of engineering resilience?

Unlike standard shop lights, the 4ft LED Strip Light is engineered for high performance and long-term durability, offering these key engineering resilience features:

  • High Efficacy: At up to 150 lm/W, the fixture delivers exceptional efficiency, making it a superior choice for energy savings and reducing operational costs in commercial spaces.
  • Exceptional Lifespan: The 4ft LED Strip Light boasts an L70 > 100,000-hour lifespan, ensuring reliable, long-term performance. This engineering resilience makes it a more durable and cost-effective solution compared to cheaper alternatives.

How many units can be linked in a continuous row?

The 4ft LED Strip Light is designed for flexibility and scalability, allowing for continuous row installations:

  • Electrical Limits (@120V): Up to 13 units (40W) or 10 units (50W).
  • Electrical Limits (@277V): Up to 30 units (40W) or 24 units (50W).
  • Mounting Options: Supports surface mounting or suspension mounting via the optional cable kit, providing flexible installation solutions for various spaces.

What are the environmental and life ratings for the 4ft LED Strip Light?

Built for reliability and performance in a variety of environments, the 4ft LED Strip Light offers:

  • Thermal Management: Rated for ambient temperatures from 32°F to 104°F (0°C to 40°C), making it suitable for use in a range of commercial and industrial settings.
  • Lumen Maintenance: Exceptional long-life performance with L70 > 100,000 hours, ensuring that the fixture continues to provide consistent illumination over time.
  • Certifications: cULus Listed for damp locations, DLC Premium qualified for energy savings, and FCC compliant for seamless integration into commercial electrical systems.