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I read it that you have supply (live, neutral and earth) coming to the switch position and 2 x live, neutral and earth exiting switch and running to light positions. If that's the case, you take the live feed (red core) to common (on either switch); all blacks to a choc block terminal (your...

I have a quirky ring circuit as follows. I have two 2.5mm T&E from the CU to a 30A JB in a services cupboard (this arises as a result of a major extension where the CU was moved from one side of the house to the other but existing wiring was left in place). At the JB, there are two pairs of...

If you're right, there will be have to be some big increases in building inspection fees. Can you see LABCs rushing to train and equip their inspectors to carry out widespread testing of electrical installations. Perhaps the change is intended to relieve the LABC of liability where they are...

or: 3) The breaker's faulty (unlikely but possible). (I'm betting on the piezo ignition with flame failure device. A ~3 year old mechanical switch is unlikely to need "pressing hard in the right places a few times".)

Get some gaffer tape, scrunge it up a bit to make something to grip and stick it to the lens.

Actually I don't think it's the valve this time. I've just removed the valve body from the pipe and the lug it sits on is at right angles to the pipe, which I assume is 'off'. Does that only leave the thermostat on the cylinder?

I have direct unvented system with Megaflo. Just noticed that hot water is heating above usual temperature. I suspect motorised valve failure (has happened before) but not sure how to prove it. Any suggestions?

I understand splitting the incomer at a Henley block with separate tails for each CU would be "best practice" but not sure that it would be "neater". It would mean disconnecting SWA; re-terminating in a new enclosure; tails from enclosure to Henley block; 2 x tails from Henley to CUs. Quite a...

What's the advantage? I have a perfectly good RCD at the CU. The only downside of using it (AFAICS) is the theoretical risk of losing freezer contents if it trips sometime I'm not around to notice it. I guess the total value of the freezer contents is ~£50 and that's a lot less than the cost...

No - but it was done in 1999 so would that have been the norm then?

This is the inside view of the main CU in my house (there is a second 4 way CU not shown). The cables in the incomer are 16mm feed from the (isolatable) meter and feed to the second CU. The shroud at the top of the picture is the incoming SWA cable from the meter which is on the other side of...

A few years ago - needed to paint the fascia boards on a small, pitched-roof, dormer window set into a steeply pitched house roof. No roof ladder to hang from the main roof but the dormer is ~1.5 metres from the side wall of the house (just a bit more than a single step across) and could just...

I used one of these in the same situation as you or you could use one of these if you need more precise control.

I have a ring circuit serving one side of the kitchen, as follows (number of === approx. proportionate to length of cable) CU Outward leg: ========== sockets and spurs for minor appliances === m/wave (2600W) === sockets and spurs for minor appliances (hob ignition, cooker hood) ===...

Ooerrr. What have I started? What is it they say: "Ask two lawyers for advice and you'll three different opinions". Must be the same with sparks.

I've seen several references on different threads to the effect that one should avoid overloading one side of a ring circuit. I've also read that it's acceptable to route the return leg of a ring circuit by taking the 'return' cable back the same way as the 'outward' cable. So, if this...

An MCB is a control switch (as well as a protective device) and if it's being moved from non-RCD to RCD side of CU it is, literally, being replaced. Admittedly stretches the interpretation a bit, but the whole of Part P stretches credulity. If an MCB in a CU fails, is a householder required...

I can barely contain myself. :?

Yes - that is an option. But existing power sockets near the back door call for RCD protection as well. It's more satisfying to reconfigure the split load. I'm really not worried about freezer contents (these damn side by side 'American fridges' aren't exactly cavernous anyway) - and as far...

Happily it's already there on a separate, proper ring with m/wave, hob ignition, extractor hood, etc.