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G40 LED Bulbs FAQs

What are G40 LED bulbs?

G40 bulbs are large globe-shaped lamps used for statement vanity bars, open pendants, and decorative fixtures.

How big is a G40 bulb?

G40 globes are about 5 inches in diameter—ensure your fixture has room for the larger bulb.

Are G40 LEDs dimmable?

Many are, with compatible LED dimmers; check the manufacturer’s dimmer list for best results.

What base do G40 bulbs use?

Most use the E26 medium base, though some decorative fixtures may vary—confirm your socket.

How bright are G40 LEDs?

Outputs often range 600–1200 lumens, suitable for vanity and ambient lighting.

What color temperatures are available?

2700K–3000K for warm ambiance; 3500K–4000K for crisp, modern spaces.

Do G40 LEDs work in enclosed fixtures?

Only if enclosed-rated. Large globes need proper heat dissipation for longevity.

Are G40 bulbs available in clear and frosted?

Yes—clear shows the filament for sparkle; frosted provides soft, even glow.

Can I use G40 bulbs outdoors?

Yes, in damp/wet-rated fixtures. Keep them protected from direct exposure unless rated.

Why buy G40 LEDs from Afterimage Lighting?

We offer curated G40 choices from trusted brands with guidance on size, output, and style.