"proper" use of jumper cables

KatPhys1 · 07-05-2006, 09:02 AM

I've only heard that one needs to hook up the red cable to positive and the the black cable to negative. But if they're just cables, why couldn't you hook up the black cable to positive and the red cable to negative? So long as you're consistent with placing black on positive for both cars and red on negative for both cars, I don't see why red needs to be on positive and black on negative. Do the cables have some sort of diode to block current going in a particular direction?

07-05-2006, 09:02 AM	#11
KatPhys1 Kinda New Member Join Date: Jul 2006 Posts: 1	Color of cables matter? I've only heard that one needs to hook up the red cable to positive and the the black cable to negative. But if they're just cables, why couldn't you hook up the black cable to positive and the red cable to negative? So long as you're consistent with placing black on positive for both cars and red on negative for both cars, I don't see why red needs to be on positive and black on negative. Do the cables have some sort of diode to block current going in a particular direction?

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