I watched a colleague diagnosis a flaky cable. Then he immediately pulled out a pocket knife and sliced the cable in 2. He said he didn't ever even want to be t

I watched a colleague diagnosis a flaky cable. Then he immediately pulled out a pocket knife and sliced the cable in 2. He said he didn't ever even want to be tempted to trust it again. That's been my model since then. I've never worked with a cable so expensive or irreplaceable that I'd want to take a chance on it a second time. I'm sure they exist. I haven't been around one.