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I must confess I didn't quiz the spark on the recommendation, I just took it as advice.  Thank you for the info about nominal voltage by the way!

Sorry sidewinder I missed your post in the mass of others.  My incoming supply is 60A at 235v, but from what I gather I need to know Ra to calculate the maximum fault current, which it seems I do not having due to the earth not being correctly tested.  The largest circuit that is available at...

The current earthing conductor is run across the loft and then down the internal walls (set in the plaster), then it's been drilled out at the bottom where it connected to the old rod exposed.  I've trimmed the discoloured end and put the new rod into an inspection pit and then clamped it, I...

Hi I was advised by the electrician who tested today that it needed upgrading to 16mm, I haven't done the maths to double check, I don't mind changing it and for the sake of the effort I figure it can't hurt, overkill being underrated and all! Additionally, the fact I'm online doesn't indicate...

Who said it was powered up?

Thanks apprentice.  I'm happy to pay for it to be done, but sadly that's where the issue is with getting it done soon enough.  Because the earth wire needs changing to a thicker core for compliance and the fuse box is upstairs, it's two floors of chasing out and the rod connection, only the guy...

Okay I see your point, but what do you suggest?

I'd been and purchased a new earth rod and installed it, in the dark, whilst it was raining, within 90 minutes of knowing about the earth fault.  The visit today was to see if it was good enough and it isn't, so I'm trying to rectify it instead of waiting until January.  I'm not trying to be a...

I'm not saying for a second it does make me an electrician, I'm rectifying the earthing issue as of the electrician's I have called, one has just enough time to test for me on his way home, I'm simply trying to resolve the issue and not have to wait until January, hence the question about...

Lol Lurch!  My apologies as I'm extremely tired (you'll be pleased to know I have no screwdriver in my hand, I'm resting) and please be assured that I'm incredibly careful.  I've carefully identified each circuit and what is on that circuit, then I've established the order of what's connected...

Haha sorry, very long day.  It was the earth loop test from his fluke tester, he did it from a socket rather than the board but it gave a figure of around 590 something, so I need to improve it to bring it under 200 as per the regs for TT.  Please excuse me if I'm mixing terminology left right...

Well another test done, i've gone from no earth at all to just shy of 600ohms :(  So off to get another rod in the morning to place elsewhere in the garden.  I believe I have to bury the cable connecting the two together, is normal conduit okay or must I buy something highly specialised for...

How do you think I feel, I'm not even an electrician, just trying to get my ahead around something I've always taken for granted.  Whoever said ignorance was bliss was a genius!

Does that go back to something i keep reading about burned neutrals and the theory some sparks don't pay as much attention as they do the live?  (I'm guessing it wasn't your install so not pointing a finger, just asking a question!).  I'm having to get quite handy at fault finding here, such fun.

Sorry tired and hard day, I meant plastic vs metal but I think you got what I meant.  Did I misunderstand something here (genuine question as I'm a novice) but if the fault was supply side then it would energise the casing, which is connected to the earth block, which is connected to everything...

Metal CU vs Steel CU essentially.

Thanks!  I wasn't aware specifically and I guess it does lower the risk.  I'd be interested to know if any of the experts who deemed it acceptable have a TT earth though...  I have two family members with pretty dodgy tickers as it is sadly, so if I have to make a choice between a very small...

You don't know my grandmother (the one who tried to kill me with the socket change).  About 2 months ago I found her having a bonfire, INSIDE THE GARAGE, because it was raining.  Just to make your toes really curl, about 10ft behind her were petrol cans for the garden tools, full.  Needless to...

To chuck in my two penneth, having read an insane amount of this stuff in the last few days is, if it's attached to the main dwelling then the rule stands to be metal or in a metal enclosure.  If it's not directly attached, then it's a judgement call of the installer (who may have to repeat that...

I'm trying to see if I can do a basic test of resistance under load which I believe is part of the standard tests an electrician would do before energising a circuit.  I can do a simple dead test by connecting L and N with a terminal block and testing round trip from the last point, again same...