Battery charger wire connection to charger

Hi
Im using a new charger . It has screws to hold the wires that go to the batteries.
I currently have bare wire (4awg ) just smashed down by these screws.
Should i add solder to these wires making the more like a solid wire? Then screw that down instead of the multi strand?

Thanks
Attachment 340783

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If it were smaller wire I'd be concerned, but this should be fine. There are a lot of electrical systems wired that way with no issues.

Tinning the end of the wire would help contain any "haired" out wires, however. Looks like you already clipped off some of those, so you should be good unless it is disturbed and one of those strands causes a short between the terminals.

Also looks like you may have cut the insulation back too far. I would want it up against the black terminal if at all possible.

I reinstalled it. Its better now.
Shrink tubing required?

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Use heat shrink if you can see any exposed copper. Don't think you really need #4 wire, but it won't hurt as long as the mechanical connections can handle wire that fat. Copper is expensive these days. On a boat, you should really be using tinned copper wire for marine applications; costs a little more than plain copper, but resists corrosion better. :ThumbsUp

Quote:

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Originally Posted by jawjatek

Use heat shrink if you can see any exposed copper. Don't think you really need #4 wire, but it won't hurt as long as the mechanical connections can handle wire that fat. Copper is expensive these days. On a boat, you should really be using tinned copper wire for marine applications; costs a little more than plain copper, but resists corrosion better. :ThumbsUp

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Thanks
Charger called for #4 wire.


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