D

Darkwood

Right ... Just been nudged to set this up by Paul.M and sounds a good idea following recent threads I've done in the Arms..

Rules....No Offensive material... edit if required before posting as this is the public arena.
Anything to do with the trade or in and around it ...H&S pic's welcome.

Beware plumbers!!!.jpg

I've posted this a few times and this is at a mates house following a kitchen refirb several yrs ago. :omg_smile:

Beware plumbers!!!.jpg
 
It’s the masking tape and crimps that give it some class!
I’ve been in a house today previously owned by an electrician - it’s not much better!
 
It’s the masking tape and crimps that give it some class!
I’ve been in a house today previously owned by an electrician - it’s not much better!
horses for courses. a vehicle mechanic's car is usually held together with duct tape. a plumber's house leaks like the Titanic.
 
Renovating...
WP_20180522_12_57_10_Pro.jpg

Opened it up...
WP_20180522_13_21_48_Pro.jpg

Clearly MF and airtight.

Was wondering about this...
WP_20180522_20_53_21_Pro.jpg

Think it's some kind of emergency lighting thing...a grommet wouldn't have broken the bank, given it's a private health, fitness and sports club.
 
"CAUTION: This installation neutral link has wiring to two versions of BS7671." Innovative design, there... charred black on the bottom, modern blue at the top!

DSC_0001_6.JPG


Solid neutral links often lead to problems (doesn't help if the terminal cage is partly on the insulation, either). Main switch was completely burnt out (luckily in the "open" position) and made crunching noises as I closed it.
DSC_0919 copy.jpg
 
Have to disagree with you there. No copper creep on solid conductors, although they can't carry as much current as stranded ones.
What I mean is, because there's no give, if the flat clamp cage is (partly) on the insulation, there will be very little force on the copper: the cage will be tightly clamped to the insulation. On stranded conductors, because they move about as you tighten the clamp (partly on the insulation), you're more likely to make at least some connection with the copper.

But I agree with you about the creep. :)
 
Yes, the creep is always a problem...Jimmy Saville for one.
Seriously though, I do understand creep in cables, but I was wondering...if a clamp is skewed, so is touching insulation and the copper, is a tight connection that way better then one which is making full connection with the copper but not very tightly?
I would tend to favour the former, as there would maybe be lack of movement, whereas in the latter, you have a bigger area to exploit arcing?
Please, don't hit me! I am genuinely interested to hear your views.
 
Steve, it looks like a storage heater distribution board judging by the 16a MCBs and 2.5mm circuits ? A combination of cheapy board, poor workmanship and a substantial load for several hours a day would certainly cause the problems found.
I think we'd be better off using metal boards to reduce the risk of fire in such cases. Oh hang on a minute.... :D
 
Hi Pirate - the correct mm2 contact area is critical to avoid heating and the pressure from the clamp ensures the contact is maintained over time etc. Without both the result is an unpredictable failure, imho :) .
 
This video montage contains some truly shocking examples of extremely poor 'workmanship' and gross stupidity. As the 'music' in the video is quite atrocious I would recommend that you watch with your speakers turned off.

 

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Dodgy trade pictures for your amusement! - 1 Million Views!
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