★★★★★ 4
Not as good as pure copper, but maybe good enough
Size: 14AWG-50FT, Size: 14AWG-50FT
This wire is copper-clad aluminum, which means you sacrifice some conductivity for a for a less expensive conductor. This wire is very lightly clad with copper - the thinness of the copper coating is obvious from a casual observation (see image).
I measured 4-wire resistance across the entire length (50') of wire - it comes out to 0.34 ohms on each lead. This is a bit less than double what you'd expect from an equivalent length of the same gauge of multistrand copper, so if you're planning on running a long length of this it might be prudent to pretend that you're working with a slightly smaller gauge than you actually are. That is exactly the approach I'm taking with it, and it works well for me within that context.
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Reviewed in the United States on April 19, 2024


