1 product

T4 LED Bulbs FAQs

What are T4 LED bulbs?

Tubular bulbs (~4/8" diameter) used in desk lamps, display lights, and landscape fixtures.

What base types do T4 bulbs use?

Commonly G9, GY6.35, or bi-pin bases—always check your socket type.

Are T4 LEDs dimmable?

Some are with compatible dimmers; verify the specs before purchase.

How bright are T4 LEDs?

Outputs range from 200 to 1200 lumens depending on length and wattage.

Do T4 LEDs save energy?

Yes—using up to 80% less energy than halogen T4 lamps.

Are they safe for enclosed fixtures?

Only if enclosed-rated; otherwise heat may reduce lifespan.

Where are T4s typically used?

In pendant mini lights, landscape lighting, and task lamps.

What color temperatures are offered?

2700K–4000K; warmer for ambiance, cooler for task clarity.

Do T4 LEDs get hot?

They stay cooler than halogen but still need ventilation.

Why buy T4 LEDs from Afterimage Lighting?

We carry high-quality T4 replacements that balance efficiency with proper light output.