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The first question to ask is why are they insisting you upgrade your supply. The use of a ground heat pump, I'm assuming that is what you mean, isn't that much of a drain on a supply. Have you asked for a larger supply or as you live in the country as you indicated, have you asked them to...

Can I ask once you have grasped this rudimental knowledge of the subject how you hope to use it??

What your asking is know as supplementary bonding, not actually earthing but I think I know what you mean. If you work to the BS 7671-2008 standards then there are certain criteria that if met can mean that you don't have to bond the copper pipes in your bathroom. These are outlined in the...

Chris5 the 2392 is ok but it just really deals with Initial verification and does not really go that in depth into the testing procedure. 2391-10 is a better option, a bit harder work as it is not a multiple choice exam like the 2392 but like everything mate the more you put into it the more...

If you really have a need to whip something out of your pocket that may be of use http://www.sparksdirect.co.uk/volt-stick-230-instant-voltage-tester-p-4620.html

Or he could use these little babies just given on this forum http://www.greenbrook.co.uk/proddetail.php?prod=M92W

Yes nym-J cable is ok to use though it is normally used for commercial or industrial purposes. I gather your plan is use 2 conductors for the Lives to make 12mm and the single 6mm yellow and green for the earth. Obviously you will need to make sure by test that the 6mm CPC will be ok...

Have you got any info on that RCD fused Spur or a picture

Get someone else to do it :lol: If it's one chase in Breeze block and you don't want to buy expensive SDS drills and bits then can't beat a club hammer and bolster. It is quite an art form controlling a sds drill especially in breeze block or soft brick. The old way is less messy and you...

Looks like your going to have to get them RCBO's then

Is the pump going to be under the bath them? If it is you will need to make sure it can only be accessed by use of a tool.

Did he say he was fitting the pump and bath onto the existing shower supply ??? Can we assume that if he is the pump for the shower and the whirlpool will have 2 different connection points? or are they a combined unit A bit suprised he would consider using the existing 6mm or 10mm to...

If he is going to fit the new Unit and do the Bathroom YES If he is supplying all material YES If he is going to do all the Testing and then Notify the LABC or his scheme YES If he is going to upgrade all you existing...

Yes I know that, and your 100% sure that the board he showed as those 2 bars??? Did you forget to read the part where I said make sure, perhaps I should have highlighted it. The bottom line was for a few pounds more he could get a better alternative than what looks like a 16th Edition board

Just a foot note to this, and perhaps showing age here, but I was always led to believe that not only do you put the cable in oval tube or capping just as good practice or to avoid plasterers tools, but the PVC over the years could deteriorate if buried directly in the wall I wonder if the...

I have always looked at it this way. The work the OP is going to do will need a Minors Work Certificate. Because he is extending an existing circuit. You can of course just give the certification to the client and be done with it if you felt it was not notifiable. Though to cover myself I...

Or get a D Type which is really designed for welders and the such

notifiable IMO Read section H, to me when it says "INVOLVES FIXED WIRING" that is exactly what the OP is doing, installing fixed wiring. I know he is only extending an existing circuit, and it is not in a kitchen or special location, but it is still fixed wiring. It could also be argued...

Eric great post. Only going to throw something in here. As I don't have the GN3 to hand but on the case of testing doesn't it say: PSCC at origin or points throughout the installation. Which I was told by an NICEIC inspector once could be at any protective device for a new circuit or CU...

Looks like it could be an old 16th edition board which could explain why it is cheap. The new 17th edition boards normally have 2 RCD's and a main switch for making design of installation more user friendly. When you split the installation into sections you avoid losing power to the whole...