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I'm putting in a hot water tank with an immersion heater. The hot water tank will be located in a loft. I want to put an on/off switch on the wall in the utility room, so I have an MK 20A 'water heater' switch. But I figure the immersion heater should have a local isolator right next to...

In my new house it turns out I have 11 light fittings which take ES / E27 lamps (8 wall fittings & 3 ceiling fittings), and 3 (pendant) fittings which take BC lamps. Now all of these locations take what would otherwise be identical lamps, apart from the ES / BC fitting. It occurred to me...

17th edition question I was thinking to have a fixed wall-mount 30mA RCD at a location other than the CU (call this the Remote RCD). I am not sure if it is actually worth doing now, but it begs a question: The wiring to the Remote RCD would ordinarily be buried less than 50mm deep, in safe...

Can I mix final circuits in an MK Grid system grid? Example: I may have an MK Grid switch which I am using for the appliance isolators in a kitchen. So I would think to have, on the kitchen ring main: Waste disposal unit Dishwasher Cooker hood (edited; was "Extractor fan") and on...

Imagine you have a kitchen wired using singles in conduit, with accessories in metal boxes. Boxes and conduit are sunk into the wall. We could have two socket outlets on a horizontal level with, and either side of, a cooker isolator. So we have: socket outlet cooker isolator socket...

Just seen some flexible polypropylene conduit on Toolstation (sorry): http://www.toolstation.com/shop/Electrical/ConduitandTrunking/d190/sd2743 I was wondering if this stuff could be used as the conduit for conduit wiring using 6491X singles? In particular I was thinking not just a...

Me and a couple of guys are doing various domestic wirings and stuff. We are tending to use MK Logic Plus accessories for the mains wiring. So we come to wanting to put in structured cable with Cat5 cable. We are then wanting to terminate the structured cabling with accessories which match...

I can imagine the eyes rolling up already :-) Small single storey house (but detached, and on a fair sized plot, and in a reasonably good location, hence reason for purchase). No convenient place to put the CU in the main part of the house, but there is a plenty big loft, which is where most...

Have a look at page 2 of this document: http://www.alderkey.co.uk/literature/Continental%20UFH%20Ltd%20-%20Construction%20Guide%20r200103.pdf It's a picture of a "Continental" underfloor heating manifold. But I can't figure out how it is supposed to work. I thought that underfloor...

I read a thread recently ("T & E in steel 20mm conduit") about a chap who had ended up with 2 x 2.5mm² T&E in (about) 20mm steel conduit as part of a ring circuit on a 32A MCB. ban-all-sheds pointed out that in this situation the current rating of the cable would have to be reduced and that...

I have a new house in Reading which I'm renovating (including a complete re-wire) and I want to have the meter moved. The REC/DNO appears to be SSE Power Distribution. After I phoned their 0845 switchboard, they sent a letter asking me to write to them with more information or, they wrote...

At some point I shall be wanting to have some shiny new brown and blue 25mm2 tails put in between a two-pole six-way Henley block and a shiny new MK Sentry CU. I can happily connect up the CU end because none of that will be live. Even if I am not actually making the connection to the...

I saw an earth pit in Screwfix (yes I know it's a shed). Was wondering how to install such a thing. Looking at the photo, it looks like there is a small outward flange at the bottom with what looks to be mounting holes in it. So I am guessing that it wants to sit on something like a...

Will be doing some wiring. Thinking about the cables which come down from ceiling level to switches and sockets. It will be either on a wall where the plaster has been removed en masse, or in a chased-out channel, so in either case on the bare brick or block work. It looks like it would be...

How to fix to concrete floor: laminate/carper joining strip Have just put down a laminate floor. Am now wanting to put in a strip which joins the laminate area to the carpet area (the join is under a door). Looking at the gripper rods and the old carpet/carpet joining strip, they appear...

I have a house to be completely refurbished. It is a bungalow with a loft space. I have heard it mentioned that a boiler can be placed in a loft. I have a reasonably sized loft with a reasonably large flat (gable end) wall at the back. I am planning an LPG boiler. AIUI all modern boilers...

I am planning on having a split-load CU. I though it might be an idea to put in a separate circuit to power two separate single 13A sockets, one for a fridge/freezer, and one for a freezer. I thought it could go on the non-RCD side of the CU, but fed out through an RCBO. So the fridge...