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    Why is there a 1 volt potential difference?

    Hi, I decided to bury my 2 gang hall light switch and cables into the internal rendered brick wall. I connected the light switch back up and it worked fine, but when I came to disconnect it to cement the PVC conduit and metal back box in I noticed a 1 volt potential difference between the...
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    Kitchen wall unit to D&D plasterboard fixings?

    I want to put up B&Q kitchen wall units. The wall is dob and dabbed plasterboard, onto Thermalite aerated 100mm blocks, insulated cavity and 100mm brick. Can anyone recommend fixing that won't pull out easily?
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    Hiding cable from cooker control switch to connection unit.

    I am doing some kitchen remodeling. The cooker control switch is mounted at 1.2m high on the wall, 0.3m horizontally from the 0.6m wide free standing electric cooker. The 6mm2 cable to the switch is buried in the solid wall, while the 6mm2 cable from the switch to the cooker is surface...
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    Back boxes for Dob & Dab?

    Hi, I've built a new kitchen extension, which will have a new ring main. The internal walls are Thermolite (Aerated) blocks, which I would like to dob and dab plaster, thus hiding the cables behind the plasterboard, as the floor is solid screed. The new Kitchen will have a free standing gas...
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