Are low voltage lights efficient?
by 
The Curious Bag
ANSWERS: 1
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<h4 class="dechead">On One Hand: They're Energy-Efficient
Low-voltage lights use a step-down transformer to convert the usual 120 volts of electricity to 12 volts. These lights and lighting systems are therefore using only one-tenth of the power that a normal light bulb might use.
On the Other: They Should be Used Carefully
Low-voltage lighting should be used with care since it isn't as bright as regular lights. Using low-voltage lights in a place like the living room, which can be dim, is all right. However, lighting stairways with them could be dangerous.
Bottom Line
Low-voltage lights do use less power than regular light bulbs do. However, they also produce less light, which poses a potential safety hazard. So whether the savings on your energy bill are worthwhile depends on proper use of the bulbs.
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