Living items · LED 전구 선택

Choose LED Bulbs by Lumens, Color Temperature and Fixture Fit

Compare lumens for brightness, kelvin for light color and fixture/socket/dimmer compatibility before replacing a bulb.

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Watts measure electrical input, not light output. ENERGY STAR recommends using lumens to compare brightness, and considering color temperature to choose the feel of a room. Socket, enclosure, dimming and fixture limits must still match the bulb's instructions.

Your try-it-at-home checklist

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1. Check the existing socket type, voltage and the fixture's maximum permitted ratings.
2. Choose brightness by lumens (lm), not by watts (W).
3. As a rough guide, about 800 lm resembles an old 60 W incandescent; adjust for the actual room.
4. Lower color-temperature kelvin values feel warmer; higher values look whiter or bluer.
5. For dimmers or enclosed fixtures, verify the exact LED is rated compatible with those conditions.
6. Turn off power and let a hot bulb cool before replacement; leave wiring or fixture repairs to qualified professionals.

ENERGY STARLearn About Brightness ↗Original ENERGY STAR page directly read: brightness is lumens, not watts; old 60W incandescent equivalent roughly 800lm, select lower power for same light output.ENERGY STARLight Fixtures (Downlights) ↗Original official indexed guidance reviewed: Kelvin light appearance, dimmer compatibility and enclosed fixture/insulation contact considerations.U.S. Department of EnergyPurchasing Energy-Efficient Light Bulbs ↗DOE official source confirms lighting-facts label metrics, lumens and lower LED wattage for similar brightness.

Your try-it-at-home checklist

Further reading

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