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Discuss Comments advice on report after having Electrical inspection in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

all double dutch to me i'm afraid - what should it be? and is that why he said it is an undersized earthing conductor and quoted for replacing it?


4 mm is the correct minimum size conductor for an earth rod, the real problem with the rod on this PIR is the Ra (Ze) value!! It is extremely unlikely the electrician obtained a value of 0.22 ohm, not unless you have a decent sized ground matt in your back garden!! How long did this PIR take the electrician to complete?? I'm sure that the electricians here that conduct these PIR tests/reports on a day to day basis can tell you how long it should of taken him, to have been able to undertake correctly....
 
Not yet, got invoice this morning

Will have to email him and query some of the bits you have all mentioned and ask what make CU he would fit

Well at least you haven't paid for your expensive toilet roll yet.

Get in touch with this guy and tell him you are not happy with the report and it's accuracy.
 
4 mm is the correct minimum size conductor for an earth rod, the real problem with the rod on this PIR is the Ra (Ze) value!! It is extremely unlikely the electrician obtained a value of 0.22 ohm, not unless you have a decent sized ground matt in your back garden!! How long did this PIR take the electrician to complete?? I'm sure that the electricians here that conduct these PIR tests/reports on a day to day basis can tell you how long it should of taken him, to have been able to undertake correctly....

3 - 4 hours roughly for mine, and 4 -5 for my mums
 
4 mm is the correct minimum size conductor for an earth rod, the real problem with the rod on this PIR is the Ra (Ze) value!! It is extremely unlikely the electrician obtained a value of 0.22 ohm, not unless you have a decent sized ground matt in your back garden!! How long did this PIR take the electrician to complete?? I'm sure that the electricians here that conduct these PIR tests/reports on a day to day basis can tell you how long it should of taken him, to have been able to undertake correctly....

Totally agree Engineer, I calculate the minimum earth size as 3.13mm (mind you that's using his results in my calculation)

On your second point though, it's easy to get a Ze like that on a TT supply, just leave the bonding connected.
 
Thank you all for your helpful responses - trouble is most of this is double dutch to me, which makes it difficult to know which bits I should query with him - I understand about the earthing can't be both rod or suppliers but which bits are so badly wrong I can query them with him and know what I am on about (with all your kind help of course)
 
rewire to lights sounds a bit excessive to me,a roll of 1.5 and half a dozen light switches and pendants would run to about £100 so £700 labour is a lot,i know im speaking as its unseen but a couple of days to rewire a lighting circuit is adequate i think.i would say more around the £500 mark.
 
I'm not in Trustmark. I wouldn't pay the fee, because stuff like this devalues the brand. there is no substitute for personal recommendation (I hardly advertise at all).

For domestic work we all have to be in a scheme. NIC, Napit and ELECSA are the 'big three'. It's simply a choice which comes down to personal preference which scheme to join. I'm with ELECSA.

I've got to nip out for a bit, so I'll try and do you some 'plain english' comments later.
 
all of my light switches are plastic - so what is the benefit of me spending 800 (going on quote I have) to get them earthed properly? if they are plastic surely not really a chance of shock - what are the benefits etc etc? just really trying to understand why I need to do it

Thanks
 
Do any of your light fittings req an earth,are they metalic,those may req earth
Even if they are,there are set procedures that can be used, if you were to decline rewiring of the lighting
 

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