A consumer unit in a HMO last inspected in 2003.
A little overheating!
- Thread starter vera121
- Start date
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What was it feeding?
It was supplying, 2 x lighting, 2 x final ring mains & 8.5kw shower.
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It's only done on one side. I'd put it back in for another 20 minutes 
Those darn pesky lighting circuits are always overloading cheap consumer units with results like this.........
ah... the old "loose factory neutral" fault that was sent around a while back..
quite common on some boards, the neutral from the rcd to the bar is not tightened down enough at the factory ( or as they claim, may have worked loose during transit and installation )..
they include a not now saying to check the factory connections prior to energising the CU..
quite common on some boards, the neutral from the rcd to the bar is not tightened down enough at the factory ( or as they claim, may have worked loose during transit and installation )..
they include a not now saying to check the factory connections prior to energising the CU..
i thought that was just a disclaimer for the company! didnt realise they were actually poorly connected.
I have always checked factory connections on CU's and DB's. There is usually a note or sticker stating to check them on the kit, and has been for aslong as I recall.
I'd be inclined to say that it was one of the tails into the main switch rather than a connection to the neutral bar which failed.
I think you win the most fried CU competition
@ OP, would you mind if I added your pictures to the DIYnot hall of shame?
I think you win the most fried CU competition
@ OP, would you mind if I added your pictures to the DIYnot hall of shame?
The tails come into the top of the main switch and that's where a little overheating occurred!
Don't mind at all, here's another one!
K
kai
That's the trouble with modern consumer units, the terminals are very hard to tighten properly, that single pinch screw will work loose with time, why don't manufacturers take heed of these problems, and bring back PROPER terminals with large twin clamping screws??? (as per the traditional Wylex boxes), and this problem will hopefully be greatly reduced!
Congratulations on your first entry into the DIYnot hall of shame!
//www.diynot.com/wiki/electrics:hs
//www.diynot.com/wiki/electrics:hs
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