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Yes I mean MEB there is currently a continuous 6mm from the incoming water main copper, which is then follows the rising main and is also looped to clamps on the bathroom h&c pipes and the radiator, this then goes to the earth connection in the CCU. The main bond and supplementary bonds were...

One of these http://www.mkelectric.co.uk/en-GB/Products/WD/white/ceilingaccessories/Ceilingswitch/Nonblocksurface/Pages/3151WHI.aspx B&Q have them as MK Ceiling Switch 1 Way White 16A

I am planning on a CCU upgrade (from old Wylex rewirable and replacement of ELCB on TT system) this will be done by a competent person and self certified. Prior to getting this done I was considering upgrading from TT to PME as the current rod is buried under brick paving and is not...

You could dump the tube and put some small fluorescents in there (under cabinet lights?).

The installation instructions for my downlights recommendation was 2 core heat resistant flex. Heat resistant especially if you put loft caps or boxes over them to comply with building regs. The connectors are often too small to easily fit 2x 1mm T&E cables for daisy chaining, in that...

:lol:

I have an Aqualisa digital shower which is similar it also has an integral pump but uses a single power supply flex rather than the separate supplies for the processor and pump. What sort of JB did you use? Have you combined solid core cable and multi strand flex in one terminal? Use an MK...

Hey don't be offensive! I was trying to point out the ambiguity of the wording in the Approved Document, which uses undefined terms and which makes Part P so useless. Take a fridge or dishwasher a 'brown goods' integrated version usually has a tab which you screw to the underside of the...

With some trepidation and not wanting a row here goes. From approved document: It doesn't say anything about cutting the plug off, just that you have to connect it to an existing connection unit or point I can't find anywhere where fixed equipment is defined in the document. Cabinet...

I fitted these on my system. You take the live and neutral from your wiring centre, neutral from the permanent supply neutral, then assuming you have a programmer, you take the live from the CH ON live from the programmer, the output goes to the CH ON connection in your wiring centre. The...

NO! Don't do anything till you get some advice from a pro.

The Ashley ones push in, there is obviously a barb arrangement because you can't then withdraw the cable, once all connections are in place you push down the tab on top with a screwdriver, this compresses the joint and makes it permanent, much like you do do when squeeze up a crimp. Reading...

Just an idea. Could the old switch have been a momentary one to activate a relay? If the new one is a normal latching switch that would account for the every other time behaviour.

What about these? http://www.tlc-direct.co.uk/Products/ASJ803.html Hager claim they meet 17th edition. http://www.tlc-direct.co.uk/Technical/DataSheets/Hager/JB_Guide.pdf

Normally no, but since it trips when the switch is on and there is nothing connected at the other end there must be some leakage between the conductors in this cable which produces the fault condition that is detected by the RCD. For example, there could be nail or something through the cable...

Yep!

And you won't burn your head on the bulb! (voice of experience, and yep I'm a bit bald)

So in the three scenarios I gave what should be bonded and what need not be bonded? (just trying to increase my understanding)

Can you clarify then? Most houses since the 70s will have black or blue plastic water mains entering the property and then maybe going to copper but I believe we are told that there must be main bonding of the copper within 600mm from where the service enters and the copper starts. If I...