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They could detect a reversal at a socket on an RCD protected circuit.

Before posting this did you think to check the connections?

The point is you can use one of the old heavy manly chargers in a big metal box, preferably going a bit rusty, with the only controls being (possibly, if you were posh) a switch to select 6V/12V, instead one of these modern woke snowflake ones.

I suspect they meant that sockets, light fittings, etc should all have switches so that they could be isolated without having to isolate the entire circuit, or functionally controlled in a practicable way, and that they assumed that common sense would prevail. :oops: This was in the era when...

Apologies - I thought I had. I'll look back at earlier posts now.

And on that basis the ROI is...? If I were to consider plug in, or indeed any, solar, I'd not want it without batteries, and quite honestly f--- the regulations. But I'm in my early 70's - what's the financial case for installing battery-backed PV? Resilience wrt the increasingly likely...

Try the IET forums.

I used to work in sales for an IT company who always said they would have nothing to do with gambling. CMC Markets was one of my customers. Observing that what they did was spread betting didn't go down too well. An interesting view on AI: The comment about second-tier products being...

But the question is who should I look to for low-cost sales of certificated and CSN shares?

My CU DB has several of them. I call them MCBs.

That much may well be true.

Then they did not mean that one switch could only control one point. A single switch controlling every point in the installation would comply with that reg. PS It's not a question of what I think the difference is.

It appears to have been his parting gift.

It implies nothing of the sort - there is no valid interpretation which means each switch only controls one point. In fact, if you want to be really precise, look up the difference between "every" and "each", Did they mean "Every point shall be controlled by a switch...", or did they really...

In what way?

It still does. They are ignorant - don't let them get away with it.

Except it was/is nearly always 3kW at 240v = 12.5A

Why?

It probably was that brand. She could have cracked open the lid to relieve the pressure and then done it up again if she was worried, but unless she was going to be trekking for hours over the Essex plains I'm sure it would have been fine.

TBF, cost is a factor. If it takes you X minutes to earn enough to pay for a bath heated by gas, but 5X minutes to pay for an electrically heated one, which is more efficient?