EvilKen Posted February 17, 2021 Report Share Posted February 17, 2021 What’s crackin yo! I am in process of installing the power wires but wanted to ask a question.... Do any of you have experience with welding cable vs Sky High? In the pictures, the orange is 2/0 Sky High OFC and the red cable is 4/0 Flex-a-prene. I was going to use 2X runs of the McFlex cable, each run coming off a Brand X 390 alt fused at 400 or 350. Amp = HCCA 5000.1dv2 Subs = 2x SSA Evil 15 d1’s Battery = Lithium, but still undecided Thank you in advance for any insight!! -EvilKen Link to comment Share on other sites More sharing options...
Dafaseles Posted February 18, 2021 Report Share Posted February 18, 2021 I'm not super familiar with those exact brands of welding cable, but basically what it boils down to is, as you can see, car audio cable tends to be around twice the size of welding cable. That being said, OFC is more conductive than the pure copper in welding cable, but in my opinion, unless you're looking for every last hundredth of a decibel, you're not going to get much difference between the two as far as your electrical goes. Also, OFC is more durable than pure copper, so keep that in mind if you're running the runs under the vehicle. Just take extra precaution when protecting your cable. 2011 Chevy Silverado under construction My build log here. Check it out! Link to comment Share on other sites More sharing options...
liteblue Posted February 18, 2021 Report Share Posted February 18, 2021 If you have the room then two runs of 2/0 is greater than one run of 4/0 in terms of cmils. AND that is before considering sky high 2/0 is absolutely oversized. Link to comment Share on other sites More sharing options...
EvilKen Posted February 20, 2021 Author Report Share Posted February 20, 2021 Thank you both for the input! Link to comment Share on other sites More sharing options...
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