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Can you get access to the wiring in the ceiling? What you need to do is get yourself 2x 1-gang 2-way switches, a length of 3-core and earth cable sufficient in length to span between the 2 switches at either end of the garage, some 5/6A terminal blocks, some green&yellow 3mm sleeving and some...

How far from the house consumer unit is the shed? What cable is used to supply the shed? Is the shed circuit protected by an RCD at the house end? Firstly, as you are in Wales this work will be notifiable to your LABC, and you must inform them before you begin work (or you must aquire the...

If you switch off a single pole MCB you only isolate the phase conductor, this (in a perfect world) removes the possibility of that circuit being responsible for a P-E fault as there will be no current flowing through the phase conductor. Because the majority of MCB's are only single pole, the...

If the cable doesn't run through any insulation a single 2.5mm² cable will carry 16A without a problem. As mentioned, pulling a new cable through might sound easy, but if you have tight bends, undersized holes through joists, or worse still, the cable is clipped along the route then you are...

Hituf is one option/. SWA is also suitable, but overkill for your needs because you don't require the additional mechanical protection.

Firstly, if you are running out of heat during the evening, check to see if your supplier offers economy 10, they may not advertise it, but that doesn't mean they don't offer it. E10 gives you cheap rates at (roughly) Midnight - 5AM, 1PM-4PM and 8PM-10PM allowing you to top up just before you...

:roll: I hope you have notified this rewire because the questions you are asking show a severe lack of understanding of safety electrical connections and as a result you really do need someone competent to inspect and test your work. Moving onto your questions: There is no such thing...

Water heaters require a double pole isolating switch to enable maintenence on the element/s so the switch can not be removed, but you can still install the timer after the switch so you do not need to use the switch on a regular basis - it's also handy if you are a bit forgetful and find...

By immersion switch do you mean a double pole switch connected to a dedicated radial circuit from the consumer unit or a fused spur connected to a socket circuit? You can get timers from lots of places, I used to have this] one from Screwfix. Davy

As the device is tripping even after everything has been unplugged, that indicates a fault on the cables. The first option if you feel confident to do so, would be to remove all the socket/switch fronts and check for any loose connections - I know you said the device is tripping but before you...

You can NOT 'bond' to an earth rod. The whole point of equipotential bonding is to keep metalwork at the same potential in the event of a fault. Installing another earth rod and bonding water pipework to that is going to create potential differences that is potentially lethal. You must run the...

Well after reading the NICEIC website it says.. Potential registrants to me says people who want to apply but haven't been accepted, and to 'undergo training in the understanding of BS 7671' is pretty much an equivalent to 2382 isn't it? So perhaps I am wrong but if I am then their website...

Well it depends on what qualifications and practical experience you currently have and also what work you want to do. To gain entry to NICEIC, they either want you to have the qualifications to begin with or you sit their '5-day wonder course' which is nearly £1000. For that £1000 they give...

I looked into NICEIC a while back but I'm currently in the process of joining NAPIT because they offer better training/assessment options.

As BAS has mentioned the requirement to provide main equipotential bonding to the metal roof depends on whether it can introduce a potential, and this depends really on how well it is insulated from the ground and its general construction - is it supported with I-beams that allow it to introduce...

Sorry, I didn't notice this message, haven't been around for a while so missed the upgrade. BAS's advice is sound, but I'll add a few comments to the thread in a minute.

If you are trading as an electrician, are fully qualified, and are having to turn away jobs, why don't you just register with a self-certification scheme? I'd bet you already meet the majority of the entry requirements (qualifications, test equipment, publications) and you should have...

Neon screwrivers rely on your body providing a path for the current to flow from Phase through the neon and eventually to earth. It limits this current using a resistor but if your resistance to earth is also very high then the neon may not light up, as as soon as the resistor is removed from...