Some 15 0r so years back I built an extension and garage, the lighting and socket circuits are independent of the main fuse board and on their own circuits. a few months back the lighting circuit started to blow the fuse, I suspected a faulty exterior security light as the fault first started after heavy rain, changed the security light, and disconnected a faulty pull switch in what is an outside store, which ensured that no lighting was able to draw power, replaced fuse it blowed immediately, this led me to believe that it might be a fault in the extension lighting and pulled switch from the back box to investigate if there was a fault there, nothing was visible, although the back box seems a little shallow with little room for the cables to sit comfortaby replaced fuse whilst having switch hanging loose, hey presto lights on with the exception of the outside store light as that still had no switch, fitted extension switch to back box and after a short period of maybe 10 to 20 minutes the fuse blows again.
Today I have replaced the back box and light switch, along with a new pull switch in the extension rewired fuse hey presto everything works, well for a short while because the fuse has just blown again, has anyone any suggestions what I can check next could it be a fault on the consumer unit, which was not brand new but fitted along with all the wiring by a registered electician.
Today I have replaced the back box and light switch, along with a new pull switch in the extension rewired fuse hey presto everything works, well for a short while because the fuse has just blown again, has anyone any suggestions what I can check next could it be a fault on the consumer unit, which was not brand new but fitted along with all the wiring by a registered electician.
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