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Old 02-15-2014, 11:04 AM   #101
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electric cables

When I needed large or long battery cables I have used welding cable leads in the large size, cut to length and ends properly installed at the welding supply store.
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Old 02-15-2014, 12:13 PM   #102
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I second Jack's suggestion. Welding cables properly terminated with swagged ends can't be beat.

For the type of current demands expected, I do recommend getting the cables properly terminated with some form of compression fitting. But if you do choose to use a screw clamp type fitting, remember to go back a day later and retighten. Copper is maleable and the big wires need retightening.
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Old 02-15-2014, 12:21 PM   #103
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One thing about welding cable, even though it's large in diameter, it's very flexible, (for its size) making it much easier to work with. It's due to the small, many strand construction. I know welding cable is capable of carrying high current for short periods of time in exposed areas, but are they rated to carry a continuous current in confined spaces? I don't remember the difference between, say 5 large gauge strands vs 50 small gauge strands used to make up the same overall size??
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Old 02-15-2014, 12:41 PM   #104
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Diameter of wire determines current capacity, but insulation class also factors in to determine use. Whichever type of wire selected, we'd need to check the insulation to see if rated for the environment where it is intended to be installed.
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Old 02-15-2014, 01:48 PM   #105
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Quote:
Originally Posted by MyronL View Post
But where do I get a Bussmann max automotive fuse? Ahh-- it uses a Red Spot Fuse holder. Must check with Pep Boys for that.
They're pretty common (in various brands, not just Bussmann) in automotive use, as factory equipment rather than the aftermarket use of AGU fuses, but there are also other styles of large automotive fuse. I think the challenge is finding the right holder for any common style - Pep Boys or any other auto supply chain seems like a good bet for the corresponding fuse.

The inline AGU holder would work fine, too, but I like the installation and access convenience of a terminal-mounted holder.

Terminal-mounted fuse holders are used on current cars, but as aftermarket parts they seem to be more of an RV and marine thing than automotive.
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Old 02-16-2014, 09:51 PM   #106
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Inverter wiring upgrade finished. The hole is cut; Xantrex screwed in place, nose poking through paneling face. All is good. Will admit I had great pre-surgery anxiety about cutting that opening hole in fact, before tackling it this afternoon I had to stop, go sit down in front of the television and ponder the wisdom of it all. That Canadian hockey win over the Fins got me up and running back out to the trailer.

Turns out wasn't so bad out there either. Careful template creation was the key. Just in case I needed to hide big cutting boo boos I made a very careful bezel from scrap paneling. The very thin Escape laminate paneling was easy to cut through with just a fresh, sharp razor knife. I was afraid of creating horrid chip-out with the jigsaw. It never happened. Liking that bezel enough to glue it in place, anyway.

When it was all done I exhaled, plugged in my DeWalt drill, the inverter warning buzzer sounded off, and its internal safeguards kicked in shutting things down, just like advertised. Think Iíll have a couple fingers of Glen Morangie now.
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Old 02-17-2014, 06:47 AM   #107
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What did you end up doing for the run to the battery?
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Old 02-17-2014, 11:18 AM   #108
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Here is what's been done. Summing up, one may ask, was it all worth it?

True, a small inverter, say a forty-buck, plug-in-to-the-cigarette-lighter 75 or 175 or 400 amp will no doubt serve me just as well considering the light usage I am likely to require. In fact, have one of those in the car, had it for years. Has a noisy fan, is modified sine wave, of course.

Materials costs, aggravation, these don't come cheap. Satisfaction? Priceless.
Attached Images
File Type: jpg In-01.jpg (126.7 KB, 24 views)
File Type: jpg In-02A.jpg (226.6 KB, 33 views)
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Old 02-17-2014, 11:22 AM   #109
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Myron - looks like you did a very nice job of it.
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Old 02-17-2014, 11:28 AM   #110
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Thanks I appreciate that. Now I have begun thinking if and how could this inverter be connected to the converter so the factory 12v. plugs can use it. Hmm.
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