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If, by the no load voltage, you mean that the voltage at the socket, between the Live and Neutral is 70V without anything plugged in then yes, you do have a problem. You should get a reading of between 220V and 250V (on a British Standard day). The sooting - probably due to a loose connection...

The lack of an earth has nothing to do with your light not working - that will be an issue with the way the wiring has been connected. There are a number of diagrams in the sticky that might help. The lack of an earth is, however, a serious issue in itself. The earth wires are the safety...

I was on site today and talking to the LABC Inspector about Part P, among other things, so I thought I'd pose this one to him. He disagrees, and says that provided the signatory, at the time of the certification, is a "Competent Person" then he is signing to say that he carried out (or...

That is an interesting point. No-one, but no-one, not even the utility supply companies, can route services through or under your property unless they a. Have your permission; b. Have a statutory authority in individual cases; c. The title for the property contains a right for your...

I think you will need to undertake more work than your post suggests you are anticipating for this job. The oven you describe has a peak load requirement of 30 Amps and is not suitable for spurring from a ring main. You are only allowed to connect an oven into a ring main if it is rated at...

This is the requirement http://www.niceic.org.uk/downloads/NL139supp.pdf

Most showers have a portion of the outer box itself, in the bottom right hand corner, which detatches around the water entry point, so you can fix the shower to the wall over the service entries Behind this part of the shower it has no back at all giving free access. The IPX4 rating means that...

Have spoken to Ian Kenworthy at Electrium and have the following info. The original Wylex 606 was designed to take no more than a 30Amp fuse holder - the cartridge fuse holder still had the tab, so, whoever fitted the 45Amp fuse did, almost certainly, remove the tab. Later 606's may have had...

There are not many electrical installations that you can do properly without creating a bit of damage to the fabric of the building you are working in. Flats can be even more problematic than most because of problems accessing the space above your ceiling (below upstairs' floor) unless you are...

You've wired this so the second light is connected into the loop (the actual lighting power supply cct) instead of in parallel with the first light. That said, I am (not for the firsty time :) ) a bit confused as to what you are saying is wired to where. Let us know what wires are connected...

Sorry, I'm a little confused. From what you say it sounds like you might have more than one light running off this switch. Is that the case? What are you then trying to do? Is the outside light already switched by this switch?

:?: :?: Sorry, I don't understand - which wire out of what possible selections are you talking about?

On what you have said, I'd put my shilling on the fault being within the wiring of the bulb holder and the actual fitting. When it is hanging loose, there is tension on the wire and it is being pulled tight against its connections, when you push it into the fitting, the wire is having to curl...

We'll need a better mental picture than you've given so far. Where are the yellow and blue cables you refer to coming from, for starters.? Is this a replacement fan? Do you have only the light switch and the light at the moment? Where, relative to the bath/shower do you intend putting...

I should like to agree - except with the pun,.... :P

In a normal house type bathroom you will not contravene any of the requirements relating to cable length no matter where you put the various elements. Having no earth to the fan is not a problem if it is class 2 equipment that doesn't need an earth. Bear in mind, if yournew fan does require...

Please make sure you are absolutely certain the power to that lighting circuit is off. Then, as you suggest, remove the plate switch and let it dry out. Allow it to do this "naturally" though, if there is water pooling in the back box (that the socket fixes in to) gently use a piece of kitchen...

I found this while looking for something else in a catalogue. You could do it this way I guess. http://www.meteorelectrical.com/catalog/175 It is a new one on me, though.

Secure - I take your comments constructively, thank you. I do think only 1 is possibly valid, though. The OP has specified the total fused load in this unit is 65Amps (a 45A, 15A and 5A) no diversity applied. This is less than such a unit could be facing with 2 x 30A ccts and 2 X 5A ccts - I...

It may not be quite as straight forward as that. You will need 10mm T+E for a 10.5kW shower. You'll also need to replace the circuit protection as this will need a 50Amp MCB and the existing one is, probably, a 40Amp one. If you have a modern CU, this will be no problem, if not, it may entail...