You don’t have to dig up the entire line to find a break. This is a common misconception. Signal reflection can be used to determine the distance to a break. s

You don’t have to dig up the entire line to find a break. This is a common misconception. Signal reflection can be used to determine the distance to a break. see: https://en.m.wikipedia.org/wiki/Time-domain_reflectometer https://en.m.wikipedia.org/wiki/Time-domain_reflectometer