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Old 09-20-2012, 07:50 PM
steveparrott steveparrott is offline
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Join Date: Jun 2005
Location: Tampa, FL
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Practical Question for Energy-Saving Geeks

Working with my calculator, I came up with the following question. The answer surprised me.

Knowing that lighter gauge wire results in greater energy loss (cost), I wondered what makes more sense to the consumer - paying more for heavier gauge wire (but less for energy) or paying less for lighter gauge wire (but more for energy).

Let's consider a 250 ft. wire run of (12) 7W LED fixtures (1 every 20 ft.). Calculate the annual energy cost first with #14/2 then with #12/2.

Then compare that with the difference in purchase price of the two wire types (about $64 difference - retail).

How long before the homeowner breaks even on the additional expense of the heavier gauge wire.

Any guesses?
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