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Mjward

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Moved into a new house and before I make a start on the serious renovation, thought I'd mount a TV so I have some evening entertainment.

Easy, the previous owners already had one up, just need to move along slightly for new pilot holes for the new bracket. Or so I thought.

Drilled first pilot hole, no issue.
Drilled second pilot hole and lights in room went out. (I didn't connect the two immediately as the microwave was on and this earlier triggered the RCBO).
Drilled third pilot hole and poof, bit of a spark, RCBO triggered again and told me something was not right.

The things that are alarming me are:

1) I've drilled a couple of inches horizontally from where previous mount was installed. Closer to a power socket but nowhere near above. Further away from a light switch and in no logical route of a cable run

2) the room lights are switching off when there was a power overload earlier on the sockets. Don't know why these would be on same RCBO.

This house is completely new to me less than a week ago so don't have a full understanding of the electrics but there s growing number of warning signs that something isn't right
 
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think youse bin unlucky. i would not expectcables to the left of that socket (unless it's a feed to the out of shot light switch which is norty as not fused down.).

time to get the hammer and chisel out.
 

Mjward

DIY
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think youse bin unlucky. i would not expectcables to the left of that socket (unless it's a feed to the out of shot light switch which is norty as not fused down.).

time to get the hammer and chisel out.
Screenshot_20210609-190936_Chrome.jpglol literally browsing hammers as we speak! On the first day in we discovered the kitchen tap runs when you have a bath, and the kitchen ceiling leaks when the shower is on so this is definitely something I shouldn't have bought, but it is what it is.
 
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Carefully inspecting where the wires leave the socket.
... And learning the snake charming art of using a cable locator ...
( To discover the whole wall live , near the meter box outside )
Jammy gits miss the wire by 15mm every time.
(but once you have an audience wave good by to that-Skill)

Plastic pipes and no foil tracer... the wetpants story.
 

Mjward

DIY
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Middle pilot hole is in a cable safe zone, where you shouldn't be drilling holes, but even so, I'd be surprised to encounter problems there.
Roger that. I guess I'm surprised that for a CCU fitted in 2010 there seems to be a connection between the socket and the room light circuit (assuming I drilled into the socket wiring)
 

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