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.

No it's there to detect Live to earth leakage when there is no neutral
connection, something a regular RCD may not be able to do.


--
Cheers,

John.

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