Am I missing something here

[Pondy]

Ok I get called to a job where there is no power to the flat. Intake is in a small basement cupboard, 25mm swa protected by a Bs88 80a fuse in a switch fuse. Test for continuity and the fuse has blown. Fit a new one and I'm sure you can guess the outcome..... New fuse blows.
Go up the the tenants cu and ir at 250v the incoming swa tails, live to neutral, live to earth etc and get a reading of around 150mohms on each. Now This job was last thing tonight and my brain is frazzled, what am I missing, the cu is a 16th edition skeleton board, around 15 years old, no one else is affected in the flats, oh and the new fuse blew with the main switch off

 

[GLENNSPARK]

Fuses don't blow without reason, short circuit, or over load current.

an 80A BS88 on a flat?

if you say so dave...

 

[GLENNSPARK]

Ok I get called to a job where there is no power to the flat. Intake is in a small basement cupboard, 25mm swa protected by a Bs88 80a fuse in a switch fuse. Test for continuity and the fuse has blown. Fit a new one and I'm sure you can guess the outcome..... New fuse blows.
Go up the the tenants cu and ir at 250v the incoming swa tails, live to neutral, live to earth etc and get a reading of around 150mohms on each. Now This job was last thing tonight and my brain is frazzled, what am I missing, the cu is a 16th edition skeleton board, around 15 years old, no one else is affected in the flats, oh and the new fuse blew with the main switch off

so..
is it a 3 core SWA?
and if so i take it you tested the cores to the armourings as well then?...

 

[2391bob]

You need to prove continuity first,before insulation resistance testing,otherwise the results mean nothing.Remember CRIPPER.

 

[Darkwood]

You on a roll Glen attack attack attack ...:56:lol

 

[Pondy]

Would like to thank everyone who has responded to this post in a helpful manner, I'm on this forum a lot and don't often post answers as I'm afraid of putting up incorrect information, I suppose a lack of confidence.
E54 especially I would like to thank for drawing my attention to a couple of things I hadn't thought of. we are all human and make mistakes and sometimes cut corners, it's not right, just saying. I would not like to thank mdj, I thought post 26 was unnecessary, ****ty and superior. If you can't post anything helpful then don't. Rant over, tin hat on. Thanks guys

 

[dingledong]

Well it was a suggestion ! !

 

[Guest77]

Would like to thank everyone who has responded to this post in a helpful manner, I'm on this forum a lot and don't often post answers as I'm afraid of putting up incorrect information, I suppose a lack of confidence.
E54 especially I would like to thank for drawing my attention to a couple of things I hadn't thought of. we are all human and make mistakes and sometimes cut corners, it's not right, just saying. I would not like to thank mdj, I thought post 26 was unnecessary, ****ty and superior. If you can't post anything helpful then don't. Rant over, tin hat on. Thanks guys

Sorry I offended you, I meant well, I do feel a qualified electrician could get to the bottom of the problem with the correct test equipment quite quickly and cheeply, sorry again.

 

[dingledong]

Hmmm the word qualified electrician and cheaply in the same post ,!!!!!!!


Yes I know it was 2 words before you all start

 

[dingledong]

Ponds lighten up every one on here takes the p (well not every one ) but if they do you will learn and not forget the answers to the problem
So making you a better cowboy ( you did say you cut corners )
I was joking
And mdj deep down is a loving caring helpful person

Bloody deep down though
I can't get the little pictures up though sorry

 

[Pondy]

Apology accepted, constructive criticism I can take, apologies to the mods for the swear word, I'd had a couple of beers and it just popped in.

 

[davesparks]

You need to prove continuity first,before insulation resistance testing,otherwise the results mean nothing.Remember CRIPPER.

We already know there's continuity there, the fuse keeps blowing!
The problem is he's got continuity where he shouldn't have it!

 

[123]

And 5 days on it doesn't sound like its sorted. Lets hope the electric shower etc isn't on in the flat for too long :s