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Old 05-30-2002, 01:10 PM
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Danny/SMC
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Typically an 1157 bulb pulls 2 amps. So 15 will be close to thirty. As your voltage decreases the amp rate will also decrease.

Amps = v/r

Years ago we use to put 10 lights and it came out near 20 amps so 15 should be thirty.
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