What rcd can I put where?

[Welchyboy1]

Does any one have a link or know where I can find the diagram I’ve seen that lays out what rcd devices you can and cannot have up/downstream of each other?

e.g. you can’t install a type A downstream of a type AC etc

it was a good little diagram but I can’t seem to find it again, I think it was from NAPIT

thank you

 

[AF43DD5FF]

I've seen the image in this article in the paper version of the magazine a few times. I think it originates from NAPIT.

Residual Current Devices (RCDs): the theory of ‘selectivity’ | NAPIT

Geoff Brittan, NAPIT Technical Officer, discusses selecting the correct Residual Current Devices. When discussing selectivity of RCDs and how/why we need to achieve this, its important to ascertain wh

professional-electrician.com

 

[suffolkspark]

Does any one have a link or know where I can find the diagram I’ve seen that lays out what rcd devices you can and cannot have up/downstream of each other?

e.g. you can’t install a type A downstream of a type AC etc

it was a good little diagram but I can’t seem to find it again, I think it was from NAPIT

thank you

It was in a copy of the competent person magazine a while ago, is there an online archive of them?

 

[suffolkspark]

Here ta go.

 

[Welchyboy1]

Here ta go and some more words to make 25 chars

Thank you so much that’s exactly the one I was looking for