Resources & Education On Lighting

Side-by-side comparison of CRI 80 and CRI 90 retail lighting showing dull red apples under CRI 80 and vibrant merchandise under CRI 90, illustrating how higher color rendering improves product appearance and conversion rates on picking and showroom floors

CRI 80 vs. CRI 90 in Retail: Calculating the Co...

In retail environments, lighting is not simply a visibility requirement—it is adecision-influencing variable. Color rendering index (CRI) directly affects how products appear on shelves, racks, and displays. When colors are...

CRI 80 vs. CRI 90 in Retail: Calculating the Co...

In retail environments, lighting is not simply a visibility requirement—it is adecision-influencing variable. Color rendering index (CRI) directly affects how products appear on shelves, racks, and displays. When colors are...

Side-by-side comparison of hazardous location LED fixtures showing Class I Division 2 lighting for gas and vapor environments versus Class II Division 2 lighting for combustible dust environments in industrial facilities

Hazardous Location Lighting: Class I Div 2 vs. ...

Hazardous location lighting is not selected based on lumen output or fixture style—it is selected based onthe presence, type, and behavior of explosive gases or combustible dusts. Misclassifying an environment...

Hazardous Location Lighting: Class I Div 2 vs. ...

Hazardous location lighting is not selected based on lumen output or fixture style—it is selected based onthe presence, type, and behavior of explosive gases or combustible dusts. Misclassifying an environment...

Infographic illustrating the transition from DLC 5.1 to DLC 6.0 lighting requirements, showing why 2026 utility rebates depend on products listed on the DLC V6.0 Qualified Products List

The DLC 5.1 to 6.0 Transition: Why 2026 Utility...

For commercial and industrial lighting projects,DLC qualification is no longer just a rebate bonus—it is a gating requirement. As utilities align their incentive programs with the DesignLights Consortium’s evolving technical...

The DLC 5.1 to 6.0 Transition: Why 2026 Utility...

For commercial and industrial lighting projects,DLC qualification is no longer just a rebate bonus—it is a gating requirement. As utilities align their incentive programs with the DesignLights Consortium’s evolving technical...

Lighting fixture comparison showing field-selectable 3-CCT fixtures versus factory-set fixtures, illustrating how adjustable color temperature reduces SKU inventory, simplifies maintenance, and lowers long-term lighting costs

Field-Selectable vs. Factory-Set Fixtures: Calc...

For facilities operating hundreds or thousands of luminaires across multiple spaces, maintenance efficiency is driven as much byinventory strategyas by fixture performance. Color temperature mismatches, incorrect replacements, and overstocked SKUs...

Field-Selectable vs. Factory-Set Fixtures: Calc...

For facilities operating hundreds or thousands of luminaires across multiple spaces, maintenance efficiency is driven as much byinventory strategyas by fixture performance. Color temperature mismatches, incorrect replacements, and overstocked SKUs...

Comparison of internal driver and external driver T8 LED tubes showing differences in maintenance and replacement costs

Internal Driver vs. External Driver LED Tubes: ...

T8 LED tube retrofits are often selected based on upfront material cost or installation speed, but thedriver architecture—whether internal or external—has a far greater impact on long-term maintenance labor, downtime,...

Internal Driver vs. External Driver LED Tubes: ...

T8 LED tube retrofits are often selected based on upfront material cost or installation speed, but thedriver architecture—whether internal or external—has a far greater impact on long-term maintenance labor, downtime,...

Industrial lighting comparison showing Mogul E39 versus Medium E26 LED corn cob retrofit bulbs, highlighting differences in lumen output, wattage, socket size, and suitability for high-output industrial pendant fixtures

Mogul (E39) vs. Medium (E26) Bases: Selecting H...

High-output “corn cob” LED lamps are commonly used to retrofit HID and high-wattage incandescent fixtures in warehouses, manufacturing plants, and industrial pendant applications. While lumen output often dominates purchasing decisions,lamp...

Mogul (E39) vs. Medium (E26) Bases: Selecting H...

High-output “corn cob” LED lamps are commonly used to retrofit HID and high-wattage incandescent fixtures in warehouses, manufacturing plants, and industrial pendant applications. While lumen output often dominates purchasing decisions,lamp...