Nice peace of tool. Must making a voltage detection with attention and care and placing the nozzle as close to the wire as it possible. In case of 3 core 1,5 mm lightning cable its very important. For a first time I've use it like my previous one, which was to sensitive, and when I checked 3c+e in a same way like with my previous one and assuming it's dead I cut this wire. At this stage I've realized it wasn't dead. Hopefully that was RCB protected circuit. What I've found as a big pros is it's working well with a bunch of wires where most of them are live so it easy to find that dead one between them. Read more