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THE MOST FREQUENTLY ASKED QUESTIONS ABOUT LED's

  1. What does "LED" stand for? (L)ight (E)mitting (D)iode
  2. Aren't LED's all blue?
  3. What is color temperature? The "temperature of the light measured in degrees Kelvin. This method of measure goes back to the 1800s when William Kelvin experimented heating a block of carbon and he observed that as the temperature of the carbon increased the color of the carbon changed from red at low temperatures to blue-white at high temperatures. White light ranges between 2200K (almost yellow light) and 4000K (bluish white). 3000K is considered "Natural White" and is preferred in landscape lighting because it tends to accentuate greens and blues.
  4. How long will an LED lamp/bulb last? Most LED lamps/bulbs are rated for up to 50,000 hours. How long it will actually last depends on how warm it gets while in operation. In a location where the lamp/bulb gets very warm to hot it will not last as long.
  5. Can I dim LED's? It depends. Yes, if the driver within the LED is dimable. If the LED driver is not dimable and you put the lamp/bulb on a standard dimmer then the lights will not dim correctly this will lead to flickering and flashing of the LED.
  6. Will I save on my energy bill with LED lighting? Yes. LEDs are significantly more efficient than standard incandescent and halogen lamps and about 45% more efficient than florscent lamps.
  7. Do LED's get hot? Yes, but not as hot as an incandescent, fluorscent or halogen lamp.
  8. How do LED's compare to other types of lights (HID, Fluorescent, Incandescent, Halogen)?
  9. What is the ROI (return on investment) for LED lights?
  10. Are LED's safe for the environment/do LED's contain mercury?
  11. Can I replace my fluorescent tubes with LED tubes?
  12. Can I replace my incandescent lights with LED bulbs/lamps?
  13. What are the lumens per watt for LED lights?
  14. Is LED better than compact fluorescent (CFL)?
  15. How do LED's get their color?