Okay what was the cause and Yes I'm a silly boy!!

oharaf

oharaf

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Okay today, end of, Connected from the henley blocks to 80A fused switch to supply a C.U. via 16mm SWA.

Ze was 0.14 NICE!!

IR between L,N, E were all >299MOhm

between armour and L,N,E all >299MOhm.

Decided to measure V approx 243V

Then decided to check Voltage L,N L,E N,E and L,Armour N, Armour E,Armour

L,Armour as expected

N,Armour and E, Armour 27Volts!!!!!

What had the silly boy done????
 
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Not bonded the armour to earth?

How else could you measure a potential difference between the armour and earth?
 
You need a cardboard cut-out electrician with you. Explain to him what you've done and you'll find the fault a lot quicker.
 
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Sometimes it's the simple things that trip you up.

At least you identified and rectified? It.
 
Working too quickly, taking mobile phone calls, chatting to customer ?

Safe and methodical. A tea break mid morn and mid afternoon is the distraction time. Lunch time being the point where you work out how long the afternoon will take :D
 
I think it was a lack of 'Fag and a Brew' so that progress review never happened, oh and the fact the plumber/plaster just cannot stop talking!!
 
D

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