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    Single skin under bay window - rebuilding

    I have a 1900s brick terrace, painted peddle dash (before me), with a single skin section under the front bay window. It's cracked, the airbricks need moving as they are below pavement level, the bricks are all spalled, it's only about 5ft wide, thinking of propping up the PVC window and...
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    Fan assisted convector/radiator - connection and balancing

    Hi I've bought a Smiths HL1000 fan assisted radiator to fit into the kitchen. The combi boiler is also in the kitchen and the 22mm flow and return pipes are right there to tee off. The radiator has 15mm stub pipes in & out. It's like a plinth heater but goes up high on the wall. There's two...
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    Joining wiring within trunking - crimp or solder?

    We tried pulling some of the cables through the conduit today and it wasn't a success - most of these are 12 2.5mm cables through 20mm conduit for at least 10m and a couple of right angles, so they weren't going anywhere at all unfortunately. We are going to order some 2.5mm DIN terminals...
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    Joining wiring within trunking - crimp or solder?

    Putting a box with a DIN rail on the outside might not be a bad idea actually if we can't pull back.
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    Joining wiring within trunking - crimp or solder?

    Yes, we have two qualified electricians on site. It's not to discard something that adds workload, but I would be interested in a realistic appraisal of the avoidance of risk - re-wiring 16 sockets at height of around 25 feet induces an amount of risk, how much risk do crimps in the trunking...
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    Joining wiring within trunking - crimp or solder?

    Pulling them back will also induce a large workload with respect to gaining access the the current 16 sockets, most of which are not easily accessible and at height. It depends how neat and acceptable crimping within trunking is. I am waiting on these bushes arriving first so I can mount the...
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    Joining wiring within trunking - crimp or solder?

    I will try with the first one before we cut but I honestly don't think there's much chance of it working, most of the conduits run for at least 10m and through at least two right angles. I will try and let you know though.
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    Joining wiring within trunking - crimp or solder?

    Not really an issue, the wire will be slack when I solder it, and there's plenty of room to work. We'll see which we do then. I think crimping might end up a bit neater, so I'll probably crimp & shrink.
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    Joining wiring within trunking - crimp or solder?

    For my purposes though, is there anything wrong with a soldered and heatshrunk joint? I think this is what we will most likely go for, either that or standard butt crimps with heatshrink over the entire joint. Of those two is there any reason to lean towards one solution?
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    Joining wiring within trunking - crimp or solder?

    Yes - I think the adhesive refers to the inside of the heat shrink, often heatshrink is lined with hot melt adhesive as well to make it more effective.
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    Joining wiring within trunking - crimp or solder?

    Nice suggestion, thankyou - I will look into them. I am just more familiar with soldering myself if I am helping the electrician - my background is electronics so I more familiar with an iron than a crimp tool.
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    Joining wiring within trunking - crimp or solder?

    We're certainly not adverse to solder & heat shrink if it makes a better connection. In fact I probably prefer it to crimping.
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    Joining wiring within trunking - crimp or solder?

    Yes, that should work - there's enough trunking before they fork off into the conduit to trace them back and re-wire them into the new sockets, and then extend the original wires to meet the new sockets - is a single crimp within the trunking going to be safe, do you think?
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    Joining wiring within trunking - crimp or solder?

    Okay, if we can't pull back I think we will have to get someone in.
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    Joining wiring within trunking - crimp or solder?

    If we were to install additional blank boxes on the outside of the trunking, would terminal block be an acceptable way to split within these?
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    Joining wiring within trunking - crimp or solder?

    We have traced them with an EMF line tester BT use, which gives strong results - also, we can trace the conduit back to the sockets as well so it's pretty obvious. I don't think pulling them back from the source is possible, it is a long way off and a floor below as well. I had thought...
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    Joining wiring within trunking - crimp or solder?

    We will give it a go, but some of the runs are up to 10m of conduit with a few corners in it, but maybe we will get lucky. If it weren't to pull through, is there a safe option for splitting in the trunking? Assuming crimps are out the window, would soldering and heat shrink be a safe option?
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    Joining wiring within trunking - crimp or solder?

    Not really, the trunking runs above the roof, and from there they spur off the the sides via conduit and down the walls.
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    Joining wiring within trunking - crimp or solder?

    We do have an electrician on a retainer who will do the work but I want to prepare as much as possible; mounting the boxes and running cable lengths etc. His workload is too high to do all the manual labour.
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    Joining wiring within trunking - crimp or solder?

    Standard MK surface mount boxes, there's a mixture of 13A switched and 15A unswitched on the trunking depending on application. (Either ring mains or sockets for the dimmed lighting system). Nothing is drawing a very large load, the dimmers are only 2000W anyway so despite being 15A connectors...
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