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Hi, not strictly (at all) DIY, but I wonder if any of the Sparks on here know the answer? I have an install with a couple of old Melin TPN boards - The ones before Isobar was used, C45 range if Memory serves (estimate mid 1980's). These are currently fitted with 100mA 4P RCD incomers. I...

Hi, first post. I've got a shower to put in on a mains pressure system which involves a longish awkward run through a crawl space. I want to use copper, but it is going to be almost impossible to make any joints in the run. Can I use table Y annealed copper tube to avoid joins? Is this OK...