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They feel very well fixed. I tried to push some insulation between two adjacent pipes where they bend 90 degrees to see if that helped damp the vibration and it's really difficult to increase the separation (a few cm)between them by even a mm. I'll take some new readings when the system is...

I get vibration in the pipe from the boiler to the hot water tank when the boiler is heating the water. As the hot water is timed to come on before we get up, the noise can be somewhat annoying. The noise is a humming vibration, not the clunking of water hammer. The boiler (Alpha) is about 4...

Trunking in case it ever needs replacing - the main wire to the house blew a few months ago and trunking saved them ripping up the driveway! The reason for the T&E was because I read it wa a pig to join the SWA directly, and it will need joining to the outgoing (loop) SWA as well in the first...

Ah, I understand now, sorry - didn't read it in continuity with your ground rod sentence before. I didn't want to use rods, I'd rather export the earth with the 10mm third core. If people think it useful, I could sink some "extraneous conductive metalwork" (like an earthing rod) and bond to...

Thanks. I was planning on using the unprotected side of the high integrity board. As you say, each shed will have it's own RCD anyway. The question was whether I should be bothered about not having RCD protection on the SWA cable, or is it a waste of time anyway given that the cable outer is...

I meant another, not a not her! Sorry.

I need to get power to sheds - I've done a lot of searching and I will be getting an electrician round to do some of the work, but is there anything I haven't considered? I have a TN-C-S supply. I have a high integrity consumer box with a spare non-protected circuit I have 3 sheds. I'd like...