Discuss Supplier fuse and new CU in the Commercial Electrical Advice area at ElectriciansForums.net

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alexg

Hi

I'm about to start training as a sparky - can't wait!!:)

Particularly as we need a new CU pretty damn quick - well ahead of my impending qualifications!!

Problem is - we have a well old tns 60 amp CU - and a 60amp supplier fuse (I took a peak as this was the only way to find out!!) I will get a sparky to fit the cu and test the instalation as we have just moved in and need more circuit ways asap as well as being at peak times well close to the 60 amps.

Problem - will the supplier simply replace the fuse if i ask nicely - or shall I buy one - or will it involve major cost? And how long may it take to do it if they have to?

We need an 80 or 100amp 17th friendly board I think.

Plus there is no MET - is this vital - currently the bonding is connected to the incoming sheath.

Really grateful for your help -looking forward to doing the same hopefully when I've done the knowledge and had some real world experience too.

Cheers guys (and gals?)

:D
 
Nothing wrong with 60amp suppliers cutout.
But give your supplier a call & they will change it but it may cost you a few quid.
 
if your,e planning to upgrade from 60 to 80 amp wont there be the usual problems supply upgrade?
 
I've now worked out what I should be asking I think....

Is it on regs to run a 100amp or an 80amp CU off a 60amp supplier fuse/cut out?

Got there in the end...

thanks for your patience guys!

I've now worked out what I should be asking I think....

Is it on regs to run a 100amp or an 80amp CU off a 60amp supplier fuse/cut out?

Got there in the end...

thanks for your patience guys!
 
Last edited by a moderator:

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