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PostPosted: Thu Mar 22, 2018 5:54 pm 
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Hi all. I have just had a comprehensive electrical inspection that has thrown up 78 points for attention. Starting with the fuse box i have been reccommended a 14 way with main isolator and individual rcbo's for each cct. Quoted £590 +vat. Does this sound reasonable?
Also need the gas and electric bonding to earth.plus other bits of tidying to 2 outbuildings and glanding armoured cable plus a few poor cpc's on circuits. Been quoted nearly £2000 + vat for that!
Finally to install a 4" timed fan and 3 charging points for electric tooth brush £250 +vat

Thoughts please


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PostPosted: Thu Mar 22, 2018 6:14 pm 
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You are asking for opinions on something we can not see or have any idea about. :cb The best solution is to get another quote or two and compare, but do get like for like.

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PostPosted: Thu Mar 22, 2018 6:15 pm 
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blayze33 wrote:
Hi all. I have just had a comprehensive electrical inspection that has thrown up 78 points for attention. Starting with the fuse box i have been reccommended a 14 way with main isolator and individual rcbo's for each cct. Quoted £590 +vat. Does this sound reasonable?


Quite reasonable if the work needs doing. What "fuse box" AKA consumer unit do you have now ?? old stylie with fuse wires ? newer with Mcb's?

blayze33 wrote:
Also need the gas and electric bonding to <span class="skimlinks-unlinked">earth.plus</span> other bits of tidying to 2 outbuildings and glanding armoured cable plus a few poor cpc's on circuits. Been quoted nearly £2000 + vat for that!


Bonding is important, as are CPC's. whether the price is fair honestly can't say, depends on how much work is involved. Only someone who has seen the job could say for definite ...

blayze33 wrote:

Finally to install a 4" timed fan and 3 charging points for electric tooth brush £250 +vat

Thoughts please


Do you really need 3 charging points for electric toothbrushes ?? these are cheaper..

https://www.amazon.co.uk/dp/B004CXPCTA/ ... 2456626159



and assume the fan is a replacement ?

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PostPosted: Sat Mar 24, 2018 11:17 am 
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The price for consumer unit seems OK, however I paid £3000 to get mother's house 3 bedroom rewired, so total seems rather high. When some one does an electrical installation condition report (EICR) they have to work on the current version of wiring regulations, however in the 1950's there was not many more people killed with electric shocks than today, so if it complies with a previous edition of wiring regulations it is still safe.

Code C1
‘Danger present’. Risk of injury. Immediate remedial action required.
Code C2
‘Potentially dangerous’. Urgent remedial action required
Code C3
‘Improvement recommended’.

C1 needs no explanation, C2 is something like missing bonding, however there has been a rethink on bonding and it seems much of the requirement is to be removed when 18th edition comes out, what has been seen is bonding can cause danger as well as removing it. To get an electric shock you have to complete a circuit, so birds can land on wires with thousands of volts in them but are not hurt, so if you touch a smashed lamp and touch the line, you are earthed due to capacitive and inductive links so you get a shock, and it will also likely trip the RCD. However if at the same time you are holding on to an earthed radiator then the current passing through your body will be much higher so even with RCD protection it could kill you, where it would not have killed you if you were not touching an earthed item. However on the other hand if that lamp fell and touched the radiator and radiator is earthed then it will automatic disconnect the supply be it with RCD or MCB or fuse. But if not earthed the pipes could become live and some one in next room could be killed when they touch the radiator. So there is a fine balance with bonding, and earthing, and there have been some nasty fires where theft of copper has resulted in the earth going into the house not being a true earth and the gas pipe has melted. So today we put insulating bits of pipe in water and gas to remove the need to bond. It is a risk assessment and some skill is required to work out which bits need it and which bits are better left without.

With so much work flagged up, I would say get a second opinion. It is not exact, some electricians will flag up more than others, neither is wrong, it is a professional opinion which is why they take out insurance to cover them.

Also if adding RCD protection to all bathroom electrics for example that removes need to bond bathroom, so either/or not both.


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PostPosted: Sun Mar 25, 2018 12:58 pm 
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ericmark wrote:
C1 needs no explanation, C2 is something like missing bonding, however there has been a rethink on bonding and it seems much of the requirement is to be removed when 18th edition comes out, what has been seen is bonding can cause danger as well as removing it. To get an electric shock you have to complete a circuit, so birds can land on wires with thousands of volts in them but are not hurt, so if you touch a smashed lamp and touch the line, you are earthed due to capacitive and inductive links so you get a shock, and it will also likely trip the RCD. However if at the same time you are holding on to an earthed radiator then the current passing through your body will be much higher so even with RCD protection it could kill you, where it would not have killed you if you were not touching an earthed item. However on the other hand if that lamp fell and touched the radiator and radiator is earthed then it will automatic disconnect the supply be it with RCD or MCB or fuse. But if not earthed the pipes could become live and some one in next room could be killed when they touch the radiator. So there is a fine balance with bonding, and earthing, and there have been some nasty fires where theft of copper has resulted in the earth going into the house not being a true earth and the gas pipe has melted. So today we put insulating bits of pipe in water and gas to remove the need to bond. It is a risk assessment and some skill is required to work out which bits need it and which bits are better left without.


Do you make this stuff up for a living?


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PostPosted: Sun Mar 25, 2018 5:07 pm 
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As above, its worth getting a second quote and possibly advice from someone who can see for themselves what is involved. Especially if the quote you have is from the same person who found reason to do the work.

Some of the things found are safety issues that should be fixed, but its worth noting that many may be optional. There is no particular obligation to bring older, previously compliant installations up to latest specifications without good reason.

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