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Old 05-20-2007, 04:46 PM   #1
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Windermere , Florida
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Inverter Question

The parrallax converter/charger in my AS has a flip open front panel. Sitting next to the fuses are positive and negative lugs from the batteries.
They are of a size that could be easily gripped by the jumper cable type connectors that come with some inverters. Any thoughts on using this route for periodic inverter hookup?

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Old 05-20-2007, 05:25 PM   #2
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I wouldn't even think of it. Too high a risk of shorting to the converter chassis or other wiring.

Better to wire it in permanent. At the least, run a positive wire from the converter to a remote, easily accessed lug, so you can attach the clamps without having a shower of sparks. Also add a fuse or breaker.

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Old 05-20-2007, 05:40 PM   #3
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Clamp on leads are attended-use only, never let them out of your sight. The grip is so little surface area that high resistance connection is likely and you can/will melt a lot of plastic fast if the inverter gets a work out... fused direct wire, don't trust small inverters internal fusing; put a fast acting inline fuse in it...

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Old 05-20-2007, 07:56 PM   #4
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The ONLY place I would connect an inverter is directly to the battery posts or to a set of dedicated lugs that come directly from the battery posts. Calculate the maximum amp draw from the inverter spec sheet and add a fuse to the positive lead for circuit protection. Anything else is a possible disaster in the making, unless you're using one of those small types that plug in to a 12VDC power socket (like a cigarette lighter plug). They are rated for 15 amps MAX. and won't power much.
Lew Farber...RVIA Certified Master Tech...ABYC Certified Master Marine Electrician
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