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I've got a SWA cable running from my house down my garden into my shed. I've just had a closer look at it and its only 2.5mm.......the cable run is 50m from house to shed! All buried. Now, the cable is supplying sockets and lighting. I think this cable is undersized from a volt drop point of...

Hi, Firstly, thanks all for input, much appreciated... An isolator sounds like a good idea. Regarding the "bog standard T + E": I thought the cable needed to be exterior rated but then I guess the run we're talking about here isn't really external at any time. Regarding putting the...

First off, apologies - somehow I've ended up posting in the outside UK area. Anyway.... Yes, all circuits, including the kitchen ring are on RCD (split between two RCD's in a Dual RCD CU) I like the double pole isolator suggestion. I think I might go down that road. The cable runs...

I've got a double socket on the outside wall at the back of my house (external IP rated socket), it's taking power from the kitchen ring which just happens to have a socket inside the building directly behind the socket on the outside -very handy. The external socket is on a spur from the...

I've got a double socket on the outside wall at the back of my house (external IP rated socket), it's taking power from the kitchen ring which just happens to have a socket inside the building directly behind the socket on the outside -very handy. The external socket is on a spur from the...

Oh one final thing... I say mention in one the replies about DIY being illegal and dangerous.... I suggest people have a look at the IET web site (they're the governing body who just happen to have written the rules....formerly the IEE). I don't recall the exact wording now but its...

Regarding notification of work, building control were made aware many moons ago that I would be carrying out all electrical work associated with the loft conversion and other renovation work to my property. They've been paid. Am I missing something here? is there some other demi-god I need to...

Plenty of food for thought. I guess its a straight choice for me then...... (a) Install the new CU myself (after of course obtaining permission to pull the main fuse) then get A periodic inspection done (as requested by BCO). (b) Get a sparky in with the test and inspection...

What are considered to be the minimum tests that should be carried out when a new C-U is installed? How do these tests compare to those needed for a periodic inspection (or whatever this is called these days)

You can get plastic skirting that's designed to take pipes and cables within. You could use this instead of trunking. It provides loads of room and you can replace the existing skirting board, assuming that you have standard timber or even worse, MDF skirting in the existing room? The plastic...

I've heard many folk sing the praises of Hagar, I'm now considering sticking going this route.....perhaps make up a nice sturdy rosewood cabinent for those lovely innards! Oh BTW forgot to say.... I think my total load is gonna be about 85 Amps based on the old first estimate method of...

Thanks again for all the interesting input. Regarding details of my installation..... Here's the detail... 100 Amp Main Fuse Circuits.... 1. Smoke Alarm Circuit 2. Lounge + Study+ Hallway light circuit = Nine lamps 3. Lounge + Study sockets (ring) 4. Shower (10 kW on 10mm...

I'm pretty much decide then, dual rcd it is. I guess I now need to decide which one of the many consumer units to go with. I'm after something with a fair amount of wiring room that will allow a nice tidy job. I imagine there will be a lot of personal preference but if there's a no-brainer...

Hi all, Thanks for the many and varied suggestions.... plenty of food for thought. I was leaning towards a 3-RCD solution for a few reasons... (a) The sum of any leakage currents would be lower per RCD. Of course, in an ideal world the circuits don't have any leakage current but we know...

Gents, The standard measurements (if you have the kit to do them) are to measure the insertion loss of the coaxial cable, and the return loss (or VSWR). The former measurement tells you what the dB loss is of your run of cable. You can then compare this to the specification of the cable. Note...

I'm looking for a 3-RCD consumer unit that will provide at least 15 ways, any suggestions would be appreciated. I did considered an all-RBCO consumer unit which would of course need fewer overall module slots but a little over the top cost wise and many of these seem to be tight on wiring...

Thanks for the input gents, some more information..... It' just a single short length of metal conduit buried in concrete floor. The conduit has a 6 mm T&E cooker cable running in it. The conduit takes the cable from the edge of the room across to the kitchen island in the middle of the...

The cooker cable is 6 mm.

Aplogies for really slow reply :( It's pukka conduit from TLC. Cable pulled in with no drama. Just cleaned the end up, ready to earth the blighter.

I've got a steel conduit running under a concrete floor. It's protecting the cable feeding the cooker/hob. What size earth wire should be used to earth the conduit?