I had an angle grinder setup in a chopsaw stand. Something similar to this:

[https://www.amazon.com/RO-LY-100-125-Grinder-Support/dp/B07NTXMHC1](https://rads.stackoverflow.com/amzn/click/com/B07NTXMHC1)

It was the first time using the setup and I didn't notice that the cord came into the area of the grinder disc. I cut through ~1/3 of the strands of copper in the cord. The grinder still seems to be working. I put electrical tape around the cut area.

Do I need to replace the cord? If I don't replace the cord what are the downsides, the grinder is fairly cheap.