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stevethesparks
It would still only have one rcd for all circuits
What would you do then Westy? change the CU without regards to any testing or inspection, cus all this Muppet has done is look at the CU and thought "hang on some easy money to be made here.
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stevethesparks
How have you come to that conclusion. I can't find any post by the OP that suggests that?
We don't know what the electrician has done.
Why is that Steve? May be I'm a pessimist never trust anybody unless you know them and then think twice
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stevethesparks
From the image the unit looks a little aged, with all the testing we can do with a MFT on the circuits, we still can't test the existing mcb's.
Even if the RCD is replaced the CU would still have only one rcd for all circuits.
As already said, a decision shouldn't be made on the make, albeit my first comment was meant to be a comical one, the price I'm getting on my CEF web account is £52.52 for a replacement 80 Amp 30mA RCD.
To be fair, we've had no technical info or prices given, if the electrician can do a good deal it maybe wouldn't be such a bad call to consider an up-to-date twin RCD or RCBO CU.
Even if the RCD is replaced the CU would still have only one rcd for all circuits.
As already said, a decision shouldn't be made on the make, albeit my first comment was meant to be a comical one, the price I'm getting on my CEF web account is £52.52 for a replacement 80 Amp 30mA RCD.
To be fair, we've had no technical info or prices given, if the electrician can do a good deal it maybe wouldn't be such a bad call to consider an up-to-date twin RCD or RCBO CU.
If i was doing this job then i would give the customer 2 options.The first would be to change the rcd to 30ma and add the cooker circuit in the spare way.I would explain to the customer that this would cover the regulations but is not good practice due to an inconvenience if the rcd tripped.The second option would be a consumer unit change to a dual metal clad board but only if the customer wants it.I would charge approx £350 to do the second option.It really is down to the customer as to what they decide.The cheaper route but inconvenient or the dearer route which is safer,more convenient and would conform to all current regs(assuming the bonding,insulation resistance etc etc is correct)
Looks like we have a differing of opinions on this post, but I have said my bit.
We ultimately need to know the electricians reason for replacement hopefully in due course.
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stevethesparks
I wonder if the OP has any paperwork/certification for the existing installation?
If not, a new CU would also solve that problem (if done properly) for any future sale of the property.
Also, as far as I can see, and additional circuit wouldn't be required as there is already a cooker circuit on the existing board - unless I have missed something.
If not, a new CU would also solve that problem (if done properly) for any future sale of the property.
Also, as far as I can see, and additional circuit wouldn't be required as there is already a cooker circuit on the existing board - unless I have missed something.
In my opinion the main issue is not an upfront RCD. They main issue is that there is no 30mA RCD protection, only 100mA time-delayed.
The electrician needs to adhere to the current regulations so it maybe that in the light of no 30mA rcd additional protection for cables that he maybe installing buried in the walls , that changing the cu gives the installer this option and in my opinion improves the current state of the electrical installation as a whole in terms of safety and current compliance with the regulations.
That isn't time delayed, the T would be a D if it were, I think
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