RCDs then RCBOs tripping.

[Toneyz]

I can not see when a dead testing R1 + R2 was done insulation resistance testing could not be carried out definitely L-E & N-E.

 

[Stevewjj]

Thats VERY odd

As is the lack of IR testing - so you could have 1 very big intermittent fault that could take out ALL the RCBO's - yes this does happen.

You need a spark with an earth leakage clamp meter

Out of interest, what is happening in your house between 11am and 3pm?

Nothing unusual - or at least nothing that would not happen at other times.

 

[Octopus]

I can not see when a dead testing R1 + R2 was done insulation resistance testing could not be carried out definitely L-E & N-E.

I would be doing L-N, L-E and N-E tests ....... on ALL circuits to rule out an internal fault

The earth clamp meter tests are crucial too!

Have you got any "industry" near you?

 

[Stevewjj]

I would be doing L-N, L-E and N-E tests ....... on ALL circuits to rule out an internal fault

The earth clamp meter tests are crucial too!

Have you got any "industry" near you?

Industrial estate less than half a mile away with various businesses.

 

[Octopus]

The supplier isn't going to do much more unless you can prove that your installation isn't clear.

I would find another electrician ............... issuing an EIC with no IR tests completed isn't a satisfactory way to conduct such a change and certification IMHO

 

[Andy78]

I'd not be happy at seeing LIM on an EIC.

 

[buzzlightyear]

did nobody pick up the main switch bs5419 not 100 amp main switch on test sheet and Rcbos for circuits and you wonder why he has a problem.

 

[Octopus]

Maybe the OP could post a picture of the CU?

Cover on, then one with the cover off?

 

[Pete999]

did nobody pick up the main switch bs5419 not 100 amp main switch on test sheet and Rcbos for circuits and you wonder why he has a problem.

Could be being dumb here Buzz what was/is your point about RCBOs for circuits ? I'm missing something but not sure what.

 

[Octopus]

did nobody pick up the main switch bs5419 not 100 amp main switch on test sheet and Rcbos for circuits and you wonder why he has a problem.

What are you getting at?

A BS 5419 is a DP isolator ..........

 

[westward10]

What are you getting at?

A BS 5419 is a DP isolator ..........

Assuming the EIC refers to the main switch of the CU BS5419 was withdrawn 26 years ago so it should be EN60947-3.

 

[Andy78]

I think the point being made is that BS 5419 is a retired standard, it should be 60947-3 if a new consumer unit. The main switch is also marked as having 30mA RCD capability.
I think this just points to the general incompetence of the installer and is a cause for concern.

 

[buzzlightyear]

What are you getting at?

A BS 5419 is a DP isolator ..........

I must be dumb then think of that .not bs 100 amp 60947-3 then .

 

[Octopus]

OP - could you post a picture as suggested?

 

[buzzlightyear]

Maybe the OP could post a picture of the CU?

Cover on, then one with the cover off

what the bed ,Murd.
no need to do that op, the test certs say a lot .

 

[Martyn Fletcher]

what the bed ,Murd.
no need to do that op, the test certs say a lot .

Agreed.
Seems the person installing didn't do complete 'required' tests and a BSEN 5419 is a double pole main switch not an RCD. They seem to have misunderstood/misread/never understood the NICEIC forms, because it clearly states in that section that the asterixed items are applicable only when an RCD is used as a main circuit breaker.
I've seen it before where people go ploughing on and enter the RCD details in there not realising it only pertains to the main isolating switch on the CU/Fusebox.

 

[Octopus]

Looking back to the op, he said the board used to have dual rcds but nobody had dual rcds with bs5419 main switches AFAIAA

so is the cert correct?

 

[Wilko]

I'd not be happy at seeing LIM on an EIC.

Agree - I was taught the EIC demonstrated a clean bill of health at the conclusion of works - so there couldn't be limitations or faults... If his IR tester was busted he could've borrowed mine

 

[Dave OCD]

Apart from that the RFC end to end readings etc are filled in against a 20a radial [wrong box] and the 1.5mm main lights circuit also has a 1.5mm CPC apparently, does my head in the lack of care on an important certificate.

 

[buzzlightyear]

to settle the argument maybe the op could post a pic of the front of the c/unit . and not in side has some people suggested .