Tell us about your faults! | Page 92 | on ElectriciansForums

Discuss Tell us about your faults! in the Australia area at ElectriciansForums.net

K

kung

Hi ALL
Just thought id put this one up for all those faults we find.
heres one to kick it off !
Domestic RCD tripped and wouldnt reset cause was a blown low energy light bulb.:D
There you go now for yours !
 
red tape means live

Been to look at this extension being built on the side of old house, house has the service cable overhead from next door,now the service cable is just hanging ,builders working around it. Looked in fuse box red tape on wire is live
 

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Well i'll give the builders their due here, they have used decent sized joists in the construction!! lol!!

If you take this job on, see if the overhead supply has been PME'd!! It looks as if it has been PME'd, but no sign of the usual DNO PME sticker, so maybe a DIY arrangement!! lol!!
 
Called out to a fault on gflr sockets keeped tripping rcd
Previous electrician !! Installed a surface mounted plastic socket outside obviously couldn't get a proper one so mounted it inside a ice cream tub screwed to the wall
It even had the Lyons maid label still on it
Wish I took a picture now
 
Came across this today, spot the fault.

View attachment 18939

Faults:

  1. Live side of main switch appears connected to the Non-RCD Neutral bar
  2. Non-RCD Neutral incomer appears connected to the outgoing bar feeding the "live side" of the MCB's giving reversed polarity
  3. 32A Non-RCD MCB with what appears to be a 6mm² core as the feed core is in the wrong location on the bus bar, should be installed BEFORE the lower rated circuits. (Should this not be on the RCD side??)
  4. Incorrect sleeving used on come cpc cores (at least they are sleeved in something that cannot be confused with a L or N conductor though!)
  5. Solid Core CPS's (also likely neutrals) on some circuits are appear twisted together

The worst one is clearly the very dangerous reversed polarity...
 
Anybody can they decide on this been to an installation in a caravan, they complain of a meter reading turn of all circuits from DB undo meter cover and see the meter still turns baffling I know, so upon closer inspection I see signs of an overload on live and neutral cables black,bubbling marks, etc do you think this could cause the meter to give a faulty reading due to increased resistance.?
 

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