Fleeting

Yes the mix and hope to match.

Do solar installers ever fit the correct protective device?

You are not going to get an RCBO for that but I suspect the RCD side has spare ways it can be moved to, not ideal but solves the problem.

I’ve contacted the installer, will contact Garo. Will update this thread. Cheers

That has PME fault protection so one of two things are happening, the red indicator is indicating a PME fault or the unit is faulty. I...

You can lead a horse to water @SPECIAL LOCATION but you can't make it drink.

I am going to say that I would agreed with Fleeting.. 559.5.1.206 has certainly been around since the Yellow book 17th Ed, Amd 3...

Contact isn't made until the lamp cap is screwed home leaving the thread shrouded. It is IET not EIT.

It isn't polarity biased it does not matter.

If the off centre contact comes up the side then it does need to be polarity biased but I still can't make it out.

But it will be technically safe however you connect it. I'm pushing 60 so know how we used to do things but this change came in years...

That is not the case read Regulation 559.5.1.206

This is an EN 60238 lampholder and the arrangement of the contacts and the construction of the lampholder make in non polarity biased...

OP how far up does the right side contact in the lampholder protrude? The picture is not clear but everything indicates it is not...

That lampholder unless my eyes deceive me complies with EN 60238 so see Regulation 559.5.1.206.