Color changing led rope lights – Incandescent bulbs produce light through a controlled burn of a fiber filament. They turn electricity into heat with the light. The light-emitting diode (LED) lights up all the electricity they are fed to light. An LED can only use 10 percent of the energy a light bulb burns to make the same amount of light. The US Department of Energy’s Energy Star website states: “If all decorative light strings sold in America this year were ENERGY STAR qualified [spend 0.2 watts per bulb or less], we would save over 2 billion kWh per year and reduce greenhouse gas emissions corresponding to almost 300,000 cars ”
LED rope lights can last as much as 10 times as long as incandescent bulbs. Getting the Energy Star rating, 97 percent of the bulbs on a string should burn, after 1,000 continuous hours on. LEDs are cool to the touch. Because LEDs burn nothing but produce light of exciting electrons by a semiconductor they do not get hot.
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It makes them safer for most applications of rope light, such as decorating holiday trees. LEDs are best for applications that require little light from each bulb, but it is not a problem in rope light, where many small lights often produce the same effect desired.