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I was confronted with this problem a few months back. My intense dislike of tiling around umpteen FCUs forced me to consider an alternative so I settled on MK Grid switches and fuses in an 18-way panel (I've got 8 circuits). I had planned on running a 10mm radial (even bought the cable) along...

Or try this

Sorry chaps posts are crossing and it didn't help when my link went down. 543-03-06 is only relevant when the conduit is being used as the CPC, so not applicable to my situation. I've also decided to take up breezers original suggestion and rip this one out.

Just found out that knock on couplers are not allowed by reg 543-03-06. So rip it out is is. Thanks for all your suggestions.

In the past I've used plumbers pipe cutters which leave a really good finish on the pipe and don't damage the cables. Takes a bit longer on steel and doesn't do the cutter any good but the're pretty cheap. So where do I get knock on couplers?

The conduit is 20mm. Was going to cut it just after it turned horizontal in the loft, then thread and mate with a JB. I'll take a flyer on getting the cables down and if that fails I'll just rip the tube out the wall and use the channel for the cables.

Thanks CH427. Can do that with all but one tube - it serves 4 light circuits i.e. 5 wires plus CPC on top. Could probably get a 3 core and a 2 core down the vertical drop although it might be a bit of a tight fit.

Certainly gives a neater job but not easier than making a connection at the top of each tube. Question is, what is the best way of making a connection?

I installed mains halogen lights in a kitchen only to find when testing them that the earth was disconnected. On investigation I found that the two light circuits have been rewired in the original steel conduit, with all wires balled in a mass of confusion in a 4" square JB in the loft (turned...

Did a search of the forum and it appears if the manufacturer allows it then a flxible hose can be used to connect the hob to the gas supply. I've had the gas pipe installed by a CORGI man and he has blanked it off the end (about 40 cm from the hob fitting). I was expecting to fit the flexible...

Dingbat, our posts seem to have crossed. I was aware of the support issue but the OSG (Appendix 4, note 7) appears to allow up to a 5m drop for PVC as long as suitably supported at the top. The pipe stack goes between two seprate dwellings although there is no fire proofing at present...

According to 527-02-03 it is supposed to be removable but also allow cable movement without affecting the seal quality. Sounds a bit of a tall order. I thought about using a thick ceramic floor tile with a cutout for the cables, possibly sealed with some sort of gunge. What do the professionals...

I want to drop some T&E cables down from the loft to the CU. Drop is about 2m in a defunct pipe stack which runs from ground level (2.5m below the CU) to the loft (only two floors, ground and 1st). Reg 527 goes on about sealing the openings after cables are installed to prevent spread of fire...

I've tired two methods in the past, both equally good. 1. You need two people for this with mobile phones. One on the roof, one at the TV. You can guess the rest (copy a neighbours for the rough direction). 2. Get a 1:50000 OS map of your area and locate your house and the TV mast. Using a...

Any idea where I can get cable glands for 10 mm T&E. TLC only appear to do them up to 6 mm.

Thanks chaps. I'll go armed with my mash hammer and a big pair of protective gloves. I'll let you kow how I get on.

The "cutouts" look like inserts and look as though they should be hit on the inside. I tried a few wallaps using a nail punch but I was in danger of buckling the box. I looked at a slightly smaller box (bought in error) and this has the partially cut knockouts with a tab. The big box cutouts...

I bought a large deep aluminium box (194x194x 56) to flush mount some modular switches. The box is an MK 898ALM with 6 32 mm knockouts which don't knockout (unless I'm not hitting them hard enough). I presume there is a standard tool for knocking them out but I've no idea what. Any advice ?

Have you tried any of the file sharing services? I have an e-copy but it is copyrighted so not allowed to distribute. Got a contact number?

I agree it is not necessary to do this to get the appliances to operate but "daft " is quite subjective and not very informative. Do you mean it is against the regulations or just that you wouldn't do it this way.