Looks like some fuse wire has been blowing on the 5 & 30A fuses
What size do you think these tails are
- Thread starter ceraunic_level
- Start date
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I think if you look closely at the pics there is a the normal clear plastic cover over the main incoming terminals.
I still would not be putting a steel rule or tape near the inside of a live CU though
I mean what is wrong with a plastic ruler. I have a plastic vernier, it always gets a laugh from mechys on site.
Martin
K
kai
That looks like the incoming NEUTRAL terminal, on an old Wylex, the NEUTRAL was on the left, as per the photo - it will be at earth potental in a PME system! (Look at the right hand side of the service fuse holder block - there will be an earth cable coming off the right hand side of the block)
Not always, and it's still frighteningly close to the live incommer.
The incommer shrouds are missing.
The incommer shrouds are missing.
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The CU is isolated so the incomer is dead.
I was a bit dumb with the CSA thing though. I was just hoping somebody would have an idea what the size of the meter tails would be if the circumference was 32mm.
How do you work it out
Thanks
I was a bit dumb with the CSA thing though. I was just hoping somebody would have an idea what the size of the meter tails would be if the circumference was 32mm.
How do you work it out
Thanks
You did work it out, but you ended up with the csa of the entire cable including insulation because you started with the circumference of the entire cable including insulation.
(How did you measure that, BTW? Easier, surely, to measure the diameter?)
To "work it out" you do need to start with the size of the cores themselves, but if all cables from different manufacturers are more or less the same size then I would have thought someone could say "if the od is 10mm it must be ______".
No takers yet though...
(How did you measure that, BTW? Easier, surely, to measure the diameter?)
To "work it out" you do need to start with the size of the cores themselves, but if all cables from different manufacturers are more or less the same size then I would have thought someone could say "if the od is 10mm it must be ______".
No takers yet though...
Is this the same CU that is fed from the meter in the original pic?
If so, I really do stand by my 16mm observation as you can judge it easily looking at the CU. I would also still say that pre-meter is 25, not this makes any odds TBH.
Assuming this is the installation in both photos, how did you isolate the CU? Withdrawing the DNO fuse? It looks like quite an old one which would have no shroud once removed (although even shrouded ones have a large hole in them). Don't try measuring that hole!
If so, I really do stand by my 16mm observation as you can judge it easily looking at the CU. I would also still say that pre-meter is 25, not this makes any odds TBH.
Assuming this is the installation in both photos, how did you isolate the CU? Withdrawing the DNO fuse? It looks like quite an old one which would have no shroud once removed (although even shrouded ones have a large hole in them). Don't try measuring that hole!
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