On 2019-06-03, ARW wrote:

On 02/06/2019 22:20, John Rumm wrote:
On 02/06/2019 16:02, ARW wrote:

Most shower pumps require a 30mA RCD supply.

These days yup... a historical install may not have specced it.

And you know my views on using a RCD as protection vs supplementary bonding.

I don't but I'll bite --- why?