I just fix a thicker cable to the positive lead( red ) but the negative( black) is a bit thinner

do you think is fine?

thank you Regards

Aus-Kiwi wrote:

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Depends on load ? Generally you'll be fine as long as connections are clean and tight . Some graphite electrical grease helps ..

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 Is use of this grease OK Aus-Kiwi?....I've just been advised not to use it on Anderson connectors.  Is it OK to use on bolted connections?

Regards

Denis