rcds

[paul45]

can 2 rcds on the same circuit cause problems

 

[Marvo]

Not really.

 

[Octopus]

Why do you ask?

 

[paul45]

I thought I was right I just needed another view to prove I`m right, I`m having a debate with a landlord over this, as I pointed out to him that the main rcd switch failed the cut out time meaning the portakabin my client is using is not compliant with the regs and he said I`m not changing the main rcd unit install another one to the portakabin, I said you cant do that it will conflict the other rcd

 

[Octopus]

I thought I was right I just needed another view to prove I`m right, I`m having a debate with a landlord over this, as I pointed out to him that the main rcd switch failed the cut out time meaning the portakabin my client is using is not compliant with the regs and he said I`m not changing the main rcd unit install another one to the portakabin, I said you cant do that it will conflict the other rcd

You should not have 2 RCD's of the same value in series. If the main one has "failed" to test within the correct times then it should be replaced. Installing another one downstream is not a proper solution.

 

[paul45]

that`s been my whole argument, the battle commences, thanks and goodnight

 

[Octopus]

that`s been my whole argument, the battle commences, thanks and goodnight

Give him a MWC recording the "failed" RCD tests along with your invoice and walk away.

 

[paul45]

he`s had all the evidence and still don't listen, im off now, cheers

 

[davesparks]

On rare occasions it can be prudent to have 2x RCD in series to give a measure of redundancy due to the somewhat fallible nature of the beasts.

But it would be something designed in from the start, not done as a way of getting around a failed RCD.

 

[Marvo]

If the original RCD is failing disconnect times wouldn't this count as discrimination if you install another on upstream?