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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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I know this isn't a metalworking topic, but you guys have a lot of
collective knowledge. I'm installing a refrigeration system in my boat. It's a holding plate system, powered by 12V DC, turning a motor that draws about 25 amps when it's running. It will probably run about an hour or so a day, at unpredictable times. I'd like to be able to measure how many hours in a day it runs, without having to sit there and time it when it turns on and off. How would you go about that? Thanks, Tom |
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