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Lancs Lad · 13th Apr 2020, 11:17 pm

I think 16 amp RCBOs are fitted to immersion heater radials these days.

I wonder what the unusual 20 amp fuse would have been used for in a domestic CU?
Maybe a fairly low-powered early electric shower?

When did the first electric showers (as we know them today) begin to appear in UK bathrooms, I wonder?

13th Apr 2020, 11:17 pm	#13
Lancs Lad Heptode Join Date: Oct 2018 Location: Blackburn, Lancashire, UK. Posts: 729	Re: Very Old (Immersion Heater?) Switch I think 16 amp RCBOs are fitted to immersion heater radials these days. I wonder what the unusual 20 amp fuse would have been used for in a domestic CU? Maybe a fairly low-powered early electric shower? When did the first electric showers (as we know them today) begin to appear in UK bathrooms, I wonder? __________________ Best Regards, Peter. Last edited by Lancs Lad; 13th Apr 2020 at 11:31 pm.