On 16/12/2020 02:48, The Natural Philosopher wrote:
On 15/12/2020 19:43, Andy Burns wrote:
The Natural Philosopher wrote:

Andy Burns wrote:

The Natural Philosopher wrote:

ARW wrote:

The small ones often do not have the functional earth fly lead.

No RCD/RCBOÂ* has a 'functional earth fly lead'.

The white lead here ...

...is not part of the trip function. No idea what its for, perhaps to
earth something in the switch...

https://www.youtube.com/watch?v=aCf2alTZkLU
Blimey. so it's there to detect neutral earth current for if the neutral
is disconnected.



And if the functional earth is not made/drops off/doesn't go to earth
the RCBO 'may not work as normal'. Hmm. I think you have a lower
probability of killing yourself with the non earthed type!