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I have a question for the forum. I am running 2/0 high voltage/high amps cable from the back of my car to the front with some of the cable being under the car. My question is can I put a 2/0 AWG cable inside a 3/4 inch flexible aluminum conduit. I think the answer is "No" after doing some research but I am hoping someone can prove me wrong.
The area of a 3/4 inch conduit is 284MM2. The area of my cable is 200MM2. That means my cable is 70% of the volume of the conduit. I read you can't be over 50%.
Please prove me wrong!
 

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What's the point of the soft aluminum? Under a car, if it gets punctured by a rock or debris, it'll likely connect into the copper cable by piercing the insulation and then would electrify its full length.

Light steel would be my second choice. The first is not to run it exposed under the car. You also want to stay away from cut areas that responders cut into after a crash.

Best route is in the tunnel, imo, and closing the tunnel off which also stiffens the chassis up.
 
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