The DLC offices will be closed from December 25th, 2024 through January 1st, 2025.  We do not anticipate any delays in application processing from this closure.  Please email info@designlights.org with any questions.

Approved Reference Housings for testing of LED Retrofit Kits and Lamps

Approved Housings for Testing LED Screw-Base Replacements for HID Lamps

As noted, DLC does not endorse or exclude any particular make or model of reference fixture. Options listed are intended to illustrate common fixtures of that type. Manufacturers may test in alternative fixtures to those listed, with pre-approval from the DLC. Manufacturer shall select a fixture for testing based on the intended application of the retrofit kit. Approved housings that can come with either a medium or mogul socket must have the mogul socket for the purpose of DLC testing.

* Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Outdoor Area & Roadway Luminaires

If the lamp is specific to shoebox fixtures (not applicable to cobraheads), choose a fixture from among those listed herein under shoebox.

If the lamp is specific to cobrahead fixtures (not applicable to shoeboxes), choose a fixture from among those listed herein under cobrahead.

If the lamp may be applied to both cobraheads and shoebox fixtures, choose a fixture from among those listed herein under either shoebox or cobrahead.

Cobrahead Luminaires
  • American Electric Roadway Series 115 Fixture
  • GE M250R2 Fixture
  • Kim Archetype AR
  • QSSI CH40-Al-Q*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Shoebox Luminaires
  • Lithonia KAD Contour Series (Mogul Socket Version)
  • Kim Archetype AR
  • Ruud Lighting AC1-16*
  • Grandlite AR816-SF*
  • Howard Lighting Products LFL*
  • QSSI FL70F*
  • Econolight E-HR4H0QZ*
  • QSSI AL73*
  • WideLite XL Excel-Lyte 400*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Outdoor Decorative Luminaires

Acorn, globe, etc.

The lamp shall be tested, fully and properly mounted in a glass or polymer globe with optics as similar as possible to the kit’s intended use.

  • GE Patriarch Luminaire (Mogul Socket Version)
  • Holophane GV Luminaires Washington PostLite (Mogul Socket Version)
  • Osram Sylvania Spring City (Mogul Socket Version)*
  • Special Lite SHD1-PC1023CL*
  • Philips Lighting C52 (Mogul Socket Version)*
  • Philips Hadco Architectural V600 (Mogul Socket Version)*
  • Architectural Area Lighting Largent-SLVTLDL (lensed) (Mogul Socket Version)*
  • Architectural Area Lighting Largent-SLVTH (Mogul Socket Version)*
  • GE Lighting Americana AM8 & AM9 (Traditional Standard 1CB) (Mogul Socket Version)*
  • Holophane AW Washington PostLite (Mogul Socket Version)*
  • Americana AM8 & AM9 (Colony 1DA) (Mogul Socket)*
  • King Luminaire K400 Series (Mogul Socket Version)*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Lantern

The lamp shall be tested, fully and properly mounted in a glass or polymer lantern with optics as similar as possible to the kit’s intended use.

  • Architectural Area Lighting Civic Lantern Series (Mogul Socket Version)
  • Acuity Lighting TR30 (Any Mogul Socket Version)
  • Beacon Waterford 3AG20/AR3/H1/24NB-30 (Mogul Socket Version)*
  • American Nail Plate LA4411 (Mogul Socket Version)*
  • American Nail Plate LA4421 (Mogul Socket Version)*
  • American Nail Plate LA4431 (Mogul Socket Version)*
  • Salem SEMT (Mogul Socket Version)*
  • GE Lighting Town and Country (T10C and T10R)*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Teardrop, bullet, etc.

The lamp shall be tested, fully and properly mounted in a glass or polymer teardrop with optics as similar as possible to the kit’s intended use.

  • Holophane Port Huron
  • Acuity Lighting (Antique Street Lamps) CM (Mogul Socket Version)
  • Acuity ESP (sag glass)*
  • Acuity – Holophane Memphis – Sag glass only*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Outdoor Full-Cutoff Wall-Mounted Area Luminaires

The lamp shall be tested, fully and properly mounted in a glass or polymer globe with optics as similar as possible to the kit’s intended use.

  • Lithonia TWF2
  • Grandlite SM313*
  • Hubbell Lighting WGL (Mogul Socket)*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Parking Garage Luminaires

The lamp shall be tested, fully and properly mounted in a fixture as similar as possible to the kit’s intended use.

  • Lithonia KACM Series Fixture

Fuel Pump Canopy Luminaires

The lamp shall be tested, fully and properly mounted in a fixture as similar as possible to the kit’s intended use.

  • LSI Scottsdale Series Fixture
  • Ruud Lighting E-CS4*
  • Whiteway Civic Series Fixture*
  • LSI Richmond Series Fixture*
  • Elsco Merritt Series Fixture*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

High-Bay Luminaires

The lamp shall be tested, fully and properly mounted in a fixture as similar as possible to the kit’s intended use.

  • Lithonia THD 400S A15 TB
  • Grandlite IL417-L22*
  • ICEPIPE UR2000*
  • Lithonia TX PA22C*
  • Grandlite IL417-L16*
  • Lithonia THR 400S PA22 TB*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”

Low-Bay Luminaires

The kit shall be tested, fully and properly mounted in a fixture as similar as possible to the kit’s intended use.

  • Lithonia TX 250S A23 TB
  • Lithonia TGR 175MP A125 TB SCWA
  • LSI Augusta Series*
  • Acuity TGL 175MP A165 TB SCWA*
  • Acuity TGR 150MP A125 TB SCWA (Mogul Socket Version)*
  • Grandlite IL417-L16*
  • Lithonia TX PA22C*

*Indicates that this fixture represents a pre-approved equivalent that has been requested by applicants and approved by the DLC for use in retrofit kit testing”