Just like your EML light !!
Well sparky came on Sunday early afternoon, when fuse set it did not trip. Every socket was checked and tester showed 3 green lights for each one.
Only thing changed was he put some extra silicone sealant around the external waterproof double socket where the cable enters the back of the unit - it was dry though.
His parting comment was to the effect that RCB's can do that then never fault again. Thing is it tripped four times on Friday night so I am not filled with confidence.
Anyone here got much experience with RCB circuits or suggestions as to what I can check myself?
I have in the past fitted my own consumer units (4 in total) also rewired my fathers house some 30 years ago so I am reasonably competent. In fact someone here gave me some advice a few years ago when I fitted a split load consumer unit.
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