Light. Saving Money On Home Lighting Flashcards

1
Q

The Energy Independence Act of 2007 mandates that 100-watt incandescent lights be phased out by:

A

January 2012 and the plug pulled on all remaining incandescent bulbs by 2014

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2
Q

CFLs are those expensive twisted bulbs some of us now use. Yes, they are more expensive than traditional bulbs, but CFLs are long-lasting and usually pay for themselves in less than:

A

nine months. An ENERGY STAR-CFL uses a quarter of the electricity of a traditional bulb, saving you 75 percent.

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3
Q

When it comes to saving energy, LEDs are the gold standard of home lighting. Instead of using a gas to emit light – as CFLs and incandescent bulbs do – LEDs light up when:

A

electrons move around a semiconductor. It’s the same technology as the lights on a cell phone, microwave and cable box. LEDs last 25 percent longer than Thomas Edison’s invention, and generate between 75 and 80 percent in savings.

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4
Q

A burning light bulb uses a certain amount of electricity, which is measured in:

A

watts. By lowering the wattage with a special switch, consumers can manage the bulb’s electrical consumption. Dimmers come with a dial or a slide bar, which allows homeowners to adjust the wattage and thus the amount of illumination.

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5
Q

_____of the energy used by an incandescent bulb is wasted, while only ______ percent is converted into light. The new light bulbs save energy by turning more electricity into light.

A

90/10

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