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Discuss replace an old fuse box with a new consumer unit? in the UK Electrical Forum area at ElectriciansForums.net

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doubletiger

Hi

I am seeking someone advice on a consumer unit. I moved into an old house about 1 year ago. There is an old fuse box board in a garage which control whole house, the electricity system in the house seems fine as it should be. But I am worrying this old style fuse box may not provide as much protection as the modem consumer unit.

here is the photo (see attached) [ElectriciansForums.net] replace an old fuse box with a new consumer unit?

my questions:

(1) Do I need to replace it with a new consumer unit? and why?

(2) there are 4 ways in each of fuse box, each fuse box maximum load is 60A, what specification of the consumer unit must I get?

(3) What is the best brand of consumer unit would you recommend?

(4) I am in south London, what cost would like to be for labour and all material?

thank you in advance

best regards
 
The left hand consumer unit is protected by an earth leakage circuit breaker but from the photo i can't see the rating of it. It will either say 100mA or 30mA. It should be 30mA. The other C/U should have an ELCB as well. I would recommend getting an electrician to check it out for you.
 
a ball park figure is around ÂŁ350 - ÂŁ450, but expect to pay additional if remedial work to the earthing/bonding/circuits is required. as phil said, get 2 or 3 quotes. most sparks will not charge for quoting.
 
(1) Do I need to replace it with a new consumer unit? and why?

Not necessarily - why do you think you do?

(2) there are 4 ways in each of fuse box, each fuse box maximum load is 60A, what specification of the consumer unit must I get?

That decision would be down to the electrician you choose and you agreeing. Personally I'd avoid the big shed "non" brands

(3) What is the best brand of consumer unit would you recommend?

Again this is down to preference - I offer 2 makes - and for those I keep spares

(4) I am in south London, what cost would like to be for labour and all material?

A fuseboard change is more than simply unscrewing the old one and fitting a new one. I'd say ÂŁ375.00 + bonding plus any remedial works identified by the testing.

Please make sure you use a local registered sparky and check they will provide you with an EIC and the necessary Part P notifications

My responses above in blue
 
First of all - welcome doubletiger!

A few things:
1. That old style fuse board is not dangerous (visual inspections only)
2. There is a RCD installed - that needs to be tested with an RCD Tester by a qualified Electrician
3. A full inspection is fully recommended to determine the ability of the installation to operate safely
4. I personally would recommend upgrading the whole consumer unit (fuse box) with an up-to-date 17th Edition SplitBord with 2 RCDs, to protect you and your family!
5. It looks like you have a 10mm earth bonding cable going to the water/gas - this really needs to be checked to ensure this is the case - again this will protect you and your family!

Post your location on here and Im sure someone will be more than happy to assist you, you really need a visit to ensure that the installation is safe, a picture is good but as everyone else has demonstrated there are over 100 questions that needs answering which could take ages on here or 5 minuets on a home visit.
 
I don't think he has any problems with his bonding conductors, they look like 10mm to me and going by the age of this installation, there is a single bonding conductor to bond both water and any gas service!!!
 
Morduch, thank you for reply!

(1) Do I need to replace it with a new consumer unit? and why?

Not necessarily - why do you think you do?

The reason I am considering to replace it, it is because I saw "The RCD / MCB installation is safer than the old fuse wire type installations, it will trip out in milliseconds if their is a leakage of current to earth." Consumer Unit Fitting Cost? - MoneySavingExpert.com Forums

it is true?

thanks
 
I don't think he has any problems with his bonding conductors, they look like 10mm to me and going by the age of this installation, there is a single bonding conductor to bond both water and any gas service!!!

Still needs checking. I have seen 10mm G/Y coming out of C/U and 10mm on to water, when i got floor boards up it was 2.5mm G/Y for 95% of the run with joint of chock blocks!
 
Morduch, thank you for reply!

(1) Do I need to replace it with a new consumer unit? and why?

Not necessarily - why do you think you do?

The reason I am considering to replace it, it is because I saw "The RCD / MCB installation is safer than the old fuse wire type installations, it will trip out in milliseconds if their is a leakage of current to earth." Consumer Unit Fitting Cost? - MoneySavingExpert.com Forums

it is true?

thanks

Beware of the prices as they relate to 2005 dates.

Certainly a board with MCB's and RCD's WILL make you home safer.
 
It looks like a Hackbridge Faraday RCD, if I remember right they came as 100, 300 and 500mA. Long time since I’ve fitted them I don’t recall them making a 30mA in that style.
 

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