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Advice needed on unconnected earth wire.

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Michael Lammas

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Hi all.

Apologies of this is in the wrong place.

I am looking for some advice. I had a new consumer unit in 2016 which is fine however I have just noticed an earth wire coming out of the bottom which isn't connected. I'm not sure if I has always been this way or not?

There is another earth wire running along the top connected to some piping so I'm not sure of that's why this one isn't connected?

Any advice would be appreciated. Didn't want to call an electrician and waste someone's time if it's not an issue plus if it just needs putting back somewhere I can do that.

[ElectriciansForums.net] Advice needed on unconnected earth wire.


[ElectriciansForums.net] Advice needed on unconnected earth wire.


[ElectriciansForums.net] Advice needed on unconnected earth wire.
 
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Was that a consumer unit fitted by “the boiler people”?
That kind of explains it.

The disconnected earth wire needs to be connected to the MET, main earth terminal, which in turn is connected to the suppliers earth.
I advise that you contact whoever changed the CU to find out why it wasn’t connected, and your supplier to ask the same thing.
You could connect it yourself, if you can see where it should go.... but an electrician would be able to say if it’s actually doing what it’s supposed to once connected.

It doesn’t appear to have any termination screw markings, which suggests it’s never been connected to anything.... rather than just falling out a loose screw.

It is a matter of urgency you have this investigated by a professional. You may not have an earth protecting your property if there were to be a fault.
 
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If you don't know any sparky friends or family then you must bite the bullet and get a sparky out. Wouldn't be a lengthy job and you'll know you'll have a safe install once he susses what's what. As previously mentioned it looks like main earthing conductor protecting your property not connected.
You say you had new CU in 2016? If it is main earth and not a supplementary......go put the lotto on.
Please keep us updated.....
PS could you take wider screenshot photos as it might make more sense from a distance. It looks like your water is bonded but not your gas?
 
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ChrisElectrical88 said:
Wow, someones made a boo boo there
Click to expand...
There are a ton of these around and for a long time as well - last one I did it wasn’t connected for 20 odd years and the earthing was via pipework bonding. Zs of 2.70 ohms with bonding going down to 0.24 or so when simply connected!
Agree though that you do need to call the same spark if possible and see the shade of red on their face.
As Pete picked up though, that earth braid looks sparkling new so maybe some DNO work but as Littlespark came back - that earth conductor end has never been squeezed!
As Toyah once sang “it’stha mysthery oh it’stha mysthery”!
Looks as though that braid goes to that Henley block which it makes even easier for a connection and test.
 
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earthing systems are complex with many variables involved,
not to mention lots of rules and regulations,
don't guess or take anything for granted,
get a proper electrician in to check everything
in relation to your earthing,
that way you can be ensured it is safe and code worthy.
 
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