I am planning to mount a microwave in my kitchen using these:
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tested the wall, which feels like brick, with a cheap AC detector and it beeped all over the wall, right the way over my cooker to the far wall, a width of 8 feet and up as high as I could reach. Not believing this reading, I bought a higher spec reader:
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that still said the wall was a mass of current. I live in a basement flat and this is a central wall. It's on the other side of the flat to my consumer unit and all the kitchen sockets are at skirting level. The light switch is on a different wall and there are no unit lights, although there is a cooker hood to the side of where I intended to mount. The other side of the wall has a single light switch, but I've measured and the wall is a foot thick. Could something be fooling my reader? I didn't think cable would be buried in brick anyway. Of course, I'm very reluctant to drill until I'm sure.I could just mount on the side wall next to it, which reads no current at all, but this would leave the heaviest part of the microwave the furthest from the shelf mounting - this would leave me worrying that I don't have wall plugs that are heavy duty enough to carry the weight.
Peter