That I don't know, and I've never put a lot of thought into it because I've never wanted to, and therefore never wondered if I could, not have a cpc connected.
Thank you, a good point if a foolish product.
A chastisement which he richly deserved. But not because failing to connect the cpc would damage the shower.
Well yes, because saying that would mean that you thought the cpc was there to protect the shower from being damaged.
We're all men of the world. I'm sure you aren't the only one here who wants to have it both ways in the shower.
Because it's a Class I appliance.
What if they are not plastic?
And not just for electrical reasons - they are uncomfortably hot to hold.
Same here - I've always taken the CPC to a shower for granted without stopping to ask myself why it was necessary - since, when one starts thinking about it, it is less than obvious. In fact, for exactly the same reasons, when one starts to think about it, it is actually 'less than obvious' (even though it 'feels obvious') why RCD protection of a shower is desirable.
Yes, as I said, that was about the only 'reason' I could think of. As you will have seen, I wrote:
... and, despite intuition, the same is about the only reason I can think of for RCD protection being 'necessary'.
No, I knew it wasn't from this thread, but I didn't bother to going looking at where it came from, given that, as a general statement, it was clearly true.
Yes, I know that. With the 'old forum' one simply had to click on the blue wording to do the same thing (there wasn't an arrow). However, as I said, I didn't bother, since I wasn't interested in knowing when he wrote it, since it was obviously a statement of general truth.
If you want to assume a metal hand-held spray head, and then read what it says on BYB p28...
Well, even though a metal hand-held spray head is clearly conductive and can be touched, the question still arises as to whether it can "become live under fault conditions". If, as is usually the case, the hose is electrically insulated from the shower unit, we are again, I suppose, probably back to postulating conduction through the water in it, are we?
Indeed. As we've been discussing, it seems that no-one can think of any other reason/explanation. If it were not for the possibility of conduction through the water, I don't think there would be any particularly logical reason/need for a shower to be earthed.
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