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Old 01-16-2005, 02:03 PM   #1
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I have the Workhorse 7.4L engine and a 400W inverter. I would like to be able to run my refrigerator off of the inverter while traveling. I don't know how many amps the alternator has so I'm not sure if this will work without causing problems. Does anyone do this?
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Old 01-16-2005, 02:03 PM   #2
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I have the Workhorse 7.4L engine and a 400W inverter. I would like to be able to run my refrigerator off of the inverter while traveling. I don't know how many amps the alternator has so I'm not sure if this will work without causing problems. Does anyone do this?
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Old 01-16-2005, 02:18 PM   #3
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You didn't give much detail, but a typical RV fridge such as a Dometic, will use around 300 watts on AC. That translates to around 23 amps from your battery or DC system using an inverter. That's about equivalent to leaving two sets of headlights on. Probably OK if engine is running, maybe not if engine is shut down.

(These are "rule of thumb" estimates.)

Rick
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