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How to Read Light Bulb Labels

The Federal Trade Commission has worked with light bulb manufacturers to make easy-to-read labels for new, energy-efficient light bulbs. The new labels cover:

  • Light output in lumens
  • Estimated yearly energy costs
  • Life expectancy for the bulb
  • Light appearance, including color temperature information
  • Energy used, measured in watts

Here's a sample of what to look for:

Understanding light bulb labels


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