Just finished wiring the garage to the house - and find that the wire is damaged! Now what?

https://lemmy.world/post/4258084

Just finished wiring the garage to the house - and find that the wire is damaged! Now what? - Lemmy.world

I mean, the simplest answer is to lay a new cable, and that is definitely what I am going to do - that’s not my question. But this is a long run, and it would be neat if I could salvage some of that cable. How can I discover where the cable is damaged? One stupid solution would be to halve the cable and crimp each end, and then test each new cable. Repeat iteratively. I would end up with a few broken cables and a bunch of tested cables, but they might be short. How do the pro’s do this? (Short of throwing the whole thing away!)

Dead Simple Time-Domain Reflectometry With Just A Battery And An Oscilloscope

“Time-domain reflectometry” sure sounds like something that needs racks of expensive equipment to accomplish. In reality, TDR is just measuring the time between injecting a pulse into a…

Hackaday
Should also be able to do it with a NanoVNA or similar.