bought and used several moons ago a metal/ Electrics detector type you pass over the area on the wall, not pen type. Tested by passing over a socket and it beeped like mad. 9 " away where I would be drilling, tested, silence, not a squeek. Got drill out 2mins later flash bank wallop, what a picture, what a photograph. What happened ER indoors exclaimed. I replied the voltage locator lied. It seems not up to the mark of locating cables at depth of 1.5-2 cm. I used a friend's Budgie BD725 it shows the whole wall is live beeping everywhere
Q: What is the best buy for DIY home use that's capable of locating in depth. Or reasonable priced professional one?
Foot note: I am very aware electricity takes no prisoners. It was not me being reckless the tester let me down. Thanks to all in advance.
There are some two part testers which can detect cables buried 2 meters under ground, but most the cheap testers you have to use to trace cable rather than spot check.
So cable from a device like a socket should go vertical or horizontal about best the tester can do is tell you which, even then caught out where a light switch had one vertical and one horizontal even when no safe zone in horizontal direction.
You can get the meters but not at a price that a DIY guy will pay, and even with a RCD you still get a nasty belt even if only for 40 ms.
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