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Can I loop the earth from one armour to the next with the last loop connecting to one of the T&E earths? Or should I connect each armour into it's respective core? Any reason not to solder the earth cables to the banjo or piranha nut? I've just tried it and is fairly straightforward with a...

I have a few 3 core SWAs supplying sheds and garage coming into a plastic junction box inside the house (in a mini plant cupboard) where they connect to individual T&Es using chocolate block. The T&Es then go onward into separate circuits in the CU on the other side of the house. The SWAs are...

I have a new block wall and new driveway going in. I expect to put some form of LED down lighters fixed near the top of the wall. The wall is around 2m high. I've got individual runs of 1.5mm 3core SWA running to the light positions on the wall. The block wall will be rendered and I expect to...

Thanks. Going for abutment venting to get proper flow.

Looked at this again, one end of the joists will now be closed off, as it will be more of a lean to, with a ledger board against the wall on one side. Would a cold roof still ventilate enough if one end is sealed?

That makes sense. Makeup like this then? I do have 75mm cavity PIR board I can use.

I have a single skin block-on-edge outbuilding. I need to put a flat roof on it, probably EPDM from an online place. I've installed one of these before with good results. The outbuilding will be used as a workshop, containing pillar drill, saw etc. It will not normally be heated. I think the...

Thanks Bernard, can I ask which DIN relay holders, and relays you're using please? Can they be driven directly from an Arudino output, or does it need an outboard transistor drive? The relays and holders I've seen from RS/Farnell are more expensive than your typical 8 way Songle relay board...

Thinking about using these for my next automation project. Wondering what the best layout would be? Up until now I have ABS enclosures dotted around the house. Each enclosure would typically have one or more RCD/RCBO protected sources (eg. lighting radial, power) along with their Neutrals and...

Just to report back. I ground down the top of an M6 bolt and that works fine. Thanks for the help. Here's the prototype stand with 2 ground down bolts - will make the next one a bit simpler, but this proves the concept and that the 100mm vertical piece in the photo is enough to hold the fixture...

Ah, that gave me something to go on. Only thing I can find is https://www.aliexpress.com/item/100pcs-m3-10-6-2-5-steel-with-white-zinc-rectangular-nut-square-nut-for-aluminium/32315444355.html The 10 x 6 x m3 version seems ideal. Not found them locally.

Thanks all, I'll grind down a bolt. Cheers.

to clarify - I meant the threads of an M6 bolt will slide into the groove, not the head. Yes I could grind down my own, but thought I'd ask if there was anything ready made. Cheers :-)

I'm trying to find a T bolt or nut that will fit into this track. All the ones I can see have the wrong shape, or are slightly too thick. I found some thin headed ones but they are too wide for the slot. For background, I won't be suspending this fixture, It'll be stood on end, portable...

Thinking of getting one of these. The mains water is very hard where we live. I want to plumb in a decent filter on the feed to the tank, not the expensive proprietary filter which is available as an addon. I want to use one of these https://www.pozzani.co.uk/product_info.php?products_id=158...

Just to close out the battery life problem. I had been using cheap cells from ebay, which only lasted a month or so. I've since replaced them with Duracells, and so far no more low batteries.

Hi Secureiam, I could add the door contacts to the "windows area", and call the area "perimeter" instead of "windows". That way they'll be auto armed after an hour. If the door contacts are also in area A, then I think that will also give me normal entry exit as it does today? The wireless...

A few niggly questions that I've stored up for a while. The "part" and "area" buttons don't arm the system when using the app or Wintex keypad. They work fine from the physical keypads. I am using keypad areas, but not area arm suites. I guess it is because the app and Wintex keypads are not...

Just to close this off, I did get the fixed price repair for £275 a month ago and they confirmed the heat exchanger was leaking, and also replaced the pressure gauge, the air valve and a few other items. If there had been much else that needed replacing then they'd have written it off as beyond...

Left CH isolated, ran the hot water then left it overnight with power off. Pressure dropped from 2.5 before I ran the Hot water to 2 this morning Only other thing to mention is that this boiler has a pre-heat mode for the DHW where it supposedly reduces the time until hot water comes out of the...