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Everything posted by Onoff
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I've just had a flow rate test...
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Where are the Punctuation Police when you need them? 😂
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Aren't copper pipes dampened from the inside? I'll get me coat.
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That's just BS! Either learn to weld & do woodwork or find a tame, local fabricator.
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It's fine I'm sure other than standing out like a sore thumb and getting grubby! Is it UV rated? Could always get a camo sleeve! 😂
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You'll need an M6 brass nut, bolt and two star washers to attach a suitable ring crimp to the banjo. With the Pirhana nut you just attach the ring crimp to the screw on the side! From there take an earth fly lead and connect to the other 3 earths. The loop of hopefully black flexible conduit, that comes down, round and enters under the box, need to make sure it can't get water into it at the light end, above and act as a hose route into the box!
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Whereabouts in Kent (roughly)?
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In no particular order: Don't know your set up but afaic tell the earth's all need to be connected in that box. Then banjo / Pirhana nut to the earth point both ends of the feed cable via a little fly lead. Pirhana nuts are just more "bitey" than traditional gland nuts and brass banjos. You get better earth continuity, less chance of loosening over time. Traditional: Pirhana: They've a smooth or toothed side that'll bite into the box, in the case of a painted metal box the teeth will strip the paint to ensure contact with clean metal. Toothed side: Smooth side: This is an external SWA gland. From the left, the black rubber washer squashes onto the black, pvc outer sheath of the cable. The two rings I'm pointing to. There's only one per assembly but it must go on a certain way or you will struggle to get the armoured strands onto the cone to the left and do everything up: (Just realised I left the rubber boot out of the picture. PUT THE BOOT ON THE CABLE BEFORE YOU ASSEMBLE THE GLAND! 😂 Cut the pointy end off with a sharp Stanley a bit at a time until it's a nice tight, but still slides over the black sheath). As for plastic conduit glands. At the very least and still "wrong" if fitted on top you get glands like this. There's no proper sealing. Even if you glue the conduit in and use a rubber sealing washer it's naff on top. My neighbours was all done in this and the box was swimming: On the flexible conduit side I like these. They just push on and teeth grip the conduit. There are other types where the gland is hinged, folds around the conduit and snaps shut: Just realised why I didn't finish my gate box, didn't have a Pirhana nut! I have now and still need to finish it... I go out of my way to enter from the bottom: (I've got miles of old red sleeving still, I'm using it up!) I plastic primed and spray painted the box lid:
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Crap photo but here's one I haven't finished earlier... A plain IP6X box I drilled only in the bottom. Has one incoming armoured that supplies power to lights via the WAGOs. Bottom right is the photocell wires. .
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Yes but don't they only have 2 entries on a side? Think you'd need to go up to the 1210 to get 3.
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Ref a new box you can get them with "indents" already in, to aid drilling you should find a 20/25mm holesaw lines up just right and doesn't wander. I'd get a box similarly sized to what you already have. Ditch the silly rubber grommets that come with it and fit proper glands. https://uk.rs-online.com/web/p/junction-boxes/3659273 I'd terminate all the wires into WAGOs.
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I'll pm you some stuff from an old college book ref fitting the SWA gland. Top tip to use a Pirhana nut instead of the one that comes with the gland. https://www.screwfix.com/p/earthing-nut-20mm-2-pack/77809?
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F*** me, potentially worse than I thought 😂 Until now I thought my neighbours was the worst I'd ever seen. They used push fit pvc conduit and glands but nothing was sealed/glued. Does this circuit have it's own breaker/fuse?
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So you have the mains feed coming in bottom right? Looks like twin and earth, explain how that's run please. Top right more twin and earth to the light? Bottom right, armoured to the gate?
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Mine: OK, it's not finished yet...
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That is a ****fest. Not even proper glands used for the conduit, just a hole. Is that SWA actually earthed to the banjo? Neighbour paid a fortune for oak swing gates and the wiring looked just like that. Tbh I'd use flexible conduit and come in from the bottom in 3 holes.
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Calculating for the use of sand for a thermal store.
Onoff replied to Marvin's topic in Boffin's Corner
It would be interesting to do this with an old swimming pool. -
Calculating for the use of sand for a thermal store.
Onoff replied to Marvin's topic in Boffin's Corner
Insulate and fill a basement with sand? Or put down 300mm of insulation, x tonnes of sand, another 300mm of insulation then your slab? You'd get the area required under a house perhaps? -
Calculating for the use of sand for a thermal store.
Onoff replied to Marvin's topic in Boffin's Corner
@Marvin, can you lose a 4m diameter, 7m tall cylinder at your place? If so you're onto a winner: https://www.renewableenergymagazine.com/storage/first-commercial-sandbased-thermal-energy-storage-is-20220707#:~:text=Polar Night Energy and Vatajankoski,in a district heating network. (I think I've posted this before). -
Calculating for the use of sand for a thermal store.
Onoff replied to Marvin's topic in Boffin's Corner
Can't you just chuck some pipes off the south coast of the island and wait for the next landslip? Instant GSHP? -
Calculating for the use of sand for a thermal store.
Onoff replied to Marvin's topic in Boffin's Corner
All this talk of using sand as a heat store and accompanying calcs is really getting down to the nitty gritty... -
Calculating for the use of sand for a thermal store.
Onoff replied to Marvin's topic in Boffin's Corner
Specific heat capacity -
Wood stove (for cases of great cold) or not?
Onoff replied to Garald's topic in Stoves, Fires & Fireplaces
Especially when I burn my crisp packets. Hence the "cafe" in inverted commas. More a temple where I go to forget / pray for death or 6 numbers. -
Wood stove (for cases of great cold) or not?
Onoff replied to Garald's topic in Stoves, Fires & Fireplaces
"Stick a head on that love" would be my response. Pret up in town is the same, sometimes I wonder if I've been given an empty cup. I pay the £25 a month subscription too. My "cafe" is better, just back in fact:
