Locating faults on underground power cables is a task that’s usually considered difficult, complicated, potentially dangerous and, in short, best left to the experts.

Anyone who has done much work in the field of earth electrode resistance testing will know at least a little about driving earth spikes into the ground, and concepts like the concentric earth shells that surround the electrodes.

In this day and age, if you start reading about current battery technologies it won’t be long before you see lithium mentioned. That’s because in recent years lithium-ion (Li-ion) batteries have come to be recognised as an important breakthrough...

A fault in the umbilical cable on a prototype seafloor drill seemed at first as if it would be a difficult and costly problem to rectify. By using a time domain reflectometer (TDR) however, freelance remote operated vehicle (ROV) pilot and technician Ian...