What is the importance of length of charging cable with an EV?

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This doesn’t seem to apply to 110v what what I’ve been able to tell, unless they are adding an extension cord.

But level 2 or DC chargers appear to have a requirement of about 3-6 feet. Why is this?

What is the importance of the length of cable?

In: Technology

6 Answers

Anonymous 0 Comments

Running electricity over a cable always drops the voltage at the end, but a fat cable can help keep the loss down. This is why we have various thicknesses of extension cables and lengths. You might be able to run 15 feet with a thinner cable to power your table saw, but you need a thicker cable to run 50 feet so you’re not under voltage.

The same would apply to car chargers, which are pushing a lot more electricity than your 110V extension cord is. .

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