RCCB tripping

[JasonTR]

The upstairs sockets breaker is fitted after the RCCB on the consumer unit. It is right next to the ground floor sockets breaker.

 

[JohnW2]

Who also thinks there could be a L - E fault on that circuit that is causing the RCD to trip?

Do you perhaps mean N-E?

Kind Regards, John

 

[sparkwright]

The first floor socket may only be turned off at the breaker. The neutral (and earth) are still connected. A slight touch of neutral and earth on this circuit could trip the RCCB.

 

[JasonTR]

The first floor socket may only be turned off at the breaker. The neutral (and earth) are still connected. A slight touch of neutral and earth on this circuit could trip the RCCB.

You are a genius my friend. I just went upstair. One of the cable runs for the extra sockets being fitted had the live and neutral cables touching. I opened it up and can now turn on the vacuum cleaner.

 

[JasonTR]

That is just crazy.....The whole circuit is off and yet it matters for the RCCB.

 

[JasonTR]

Thank you. You saved the food in the freezer just now

 

[JohnW2]

That is just crazy.....The whole circuit is off and yet it matters for the RCCB.

The 'whole circuit' consists of both live and neutral - but when you say it is 'off', it's probably only the live which is disconnected - so a fault involving just neutral (and earth) remains free to do its thing on the RCCB (but only if there is a significant load on the installation - hence it tripped every time to tried to use anything other than a very small load).

Kind Regards, John

 

[flameport]

For future work, both the line and neutral must be disconnected inside the consumer unit, it is not safe to just have an MCB turned off.

 

[ban-all-sheds]

I am not using any extension leads.

I had a lot of electrical devices plugged in the same extension lead.

 

[ban-all-sheds]

We have electrical work going on in the first floor of the house.

So how come the electrician who's doing that work took no interest in your problem?

 

[JohnW2]

So how come the electrician who's doing that work took no interest in your problem?

...

JasonTR, Today at 7:11 PM

... after 'knocking off time', perhaps?

Kind Regards, John

 

[bernardgreen]

Show this to your electrician. I find it hard to believe but some electricians do not realise the need to isolate the Neutral as well as the Live

Neutral_Earth_trip

• bernardgreen
• 16 Jan 2011
• 48

 

[ban-all-sheds]

I find it hard to believe but some electricians do not realise the need to isolate the Neutral as well as the Live

Some people pretending to be electricians might not realise that.

But not actual electricians.

 

[ban-all-sheds]

... after 'knocking off time', perhaps?

I thought about that.

And then I thought about the fact that an electrician who had screwed up and left a customer with a major problem should turn out to sort it, even at 19:00.

 

[EFLImpudence]

The first floor socket may only be turned off at the breaker. The neutral (and earth) are still connected. A slight touch of neutral and earth on this circuit could trip the RCCB.

You are a genius my friend. I just went upstair. One of the cable runs for the extra sockets being fitted had the live and neutral cables touching. I opened it up and can now turn on the vacuum cleaner.

Did you mean Live and Neutral?