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post #6 of Old 03-31-2012
tap
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Re: Where can I get a 12V timer switch?

If it's rated for 20A at 120V then it will do 20A at 12V too. The issue is that a 1kW heater that uses 120V would draw about 10A or so. If it used 12V, it would be need near 100A.
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