Discuss Dodgy trade pictures for your amusement! - 1 Million Views! in the UK Electrical Forum area at ElectriciansForums.net

Not everyday you see something unusual but I have never seen one of these. From the outside it looks like any other MEM Exel switch-fuse but inside we have a small dist board.
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That goods lift controller could be anything up to late 50s, those doughnut contactors are pretty timeless. And yes, the Slydloks are original, they were standard on Evans controllers. Slydloks were specced on a lot of WW2 W^D kit, which I guess helped cement their presence throughout the industry.

So on the left you have the line contactors for the stator, up and down, which are electrically and mechanically interlocked (the interlock bar runs behind the panel). On the right are two rotor resistance contactors, with timing dashpots. The stator is switched DOL, with both steps of rotor resistance in circuit, and one rotor contactor is energised but the dashpot delays it closing. When it closes, one step is cut out and the next contactor is energised. When that closes the second step is cut out i.e. the sliprings are shorted together for full speed. The line contactor auxiliaries also control the brake and lock circuit.

It looks like there are both fast and slow limits for each floor in the selector, as there are terminals UP /DN / UPS / DNS. As the car approaches the floor I expect the first drops out both rotor contactors, then the levelling limit drops the line con.

Freddo's controller is older and uses doughnut contactors for the floor relays. Any clues to the make - I can't read the label and I don't recognise it. The line contactors have dashpots, presumably with a lost motion linkage so that the line and brake contacts operate immediately but the accelerating contact follows later. FWIW the fuses here look like Artic, another specialist brand found mainly in industry and ministry-spec plant.
 
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That has been hit with the ugly stick !
Isolate further upstream?
It can be but believe it or not that busbar which was assumed to be redundant supplies a server room. Back tonight to see what has come from the many meetings which have no doubt taken place today to discuss it:D
 
It can be but believe it or not that busbar which was assumed to be redundant supplies a server room. Back tonight to see what has come from the many meetings which have no doubt taken place today to discuss it:D
What's to discuss??;)
 
What's to discuss??;)
I agree Pete. We have been on this site four weeks doing an EICR and found this hidden away in a store room. It was a bit late as we are working nights so no doubt today people are deciding how best to remove it without isolation due to the server room which we have been scouting around. I have my phone off but I suspect when I get back this evening it will have been removed as they have a site electrician.
 
I agree Pete. We have been on this site four weeks doing an EICR and found this hidden away in a store room. It was a bit late as we are working nights so no doubt today people are deciding how best to remove it without isolation due to the server room which we have been scouting around. I have my phone off but I suspect when I get back this evening it will have been removed as they have a site electrician.
Thanks Westy
 
This is part of an article in the PE mag. It has been printed in more than one. I don't know why you would do that. Perhaps the lights were fed from a centre tapped supply...
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This is part of an article in the PE mag. It has been printed in more than one. I don't know why you would do that. Perhaps the lights were fed from a centre tapped supply...
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It doesn’t make a lot of sense that, you’d have thought that some editor worth their salt would have picked up on it. If the downlight can’t work then . . . . ?
 
We fitted 9 of that range of downlights recently,2 were dead out the box, not even a brief flash or pop at first switch on. One of the 2 replacements was dead too. 2 had faulty LEDs the other had faulty electronics.
 
A couple of lads I know have been left to sort this lot out, they've only got a six hour window and it all has to be done with no service outage. Started off as a quick DC PDU swap and sort of got a little bit bigger...

That's roughly 500 fibre optic cables badly installed...

Under the floor:

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Top of rack:

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Bottom of rack:

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These pointless labels are still being fitted to samsung stuff, found during appliance testing, the first on an IEC lead, the second on a VGA cable. I first started seeing these over 6 years ago. I would have thought someone at samsung would have stopped them by now.
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Whilst doing my day job (painting) the light in my customers house started to flicker. So I removed the cover to find this monstrosity,

It's a council house so he's getting them to fix it,

Every screw was lose (terminals and fixings) I tightened all the terminals and removed the fixings. This way it can be fitted ontop of the ceiling instead of into the ceiling
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I was recommended to a chap who's doing up his bungalow, when removing the old kitchen base units he came across this little gem....
After nearly 11 hours of hard graft it's all resited into a cupboard,new CU [The much maligned BG which I've never had a problem with],tested and certified. :) The 'after' picture was before it was quite finished and I'd just connected the tails in quickly to do the live tests, they were subsequently redone tidier. :)
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I particularly like the graffitti...I mean, who doesn't scribble their wiring ideas on the wall?
Redecorating recently, I stripped off some wallpaper near the thermostat in the hall, and there, preserved for all time, was the "working drawing" from years ago...and yes, it corresponded exactly to the wiring in the (now defunct) stat itself...except it wasn't quite defunct...it was unused and surplus to requirements, but still packed a punch when I fiddled with it...shoulda used my voltpen, dammit!
 
I was recommended to a chap who's doing up his bungalow, when removing the old kitchen base units he came across this little gem....
After nearly 11 hours of hard graft it's all resited into a cupboard,new CU [The much maligned BG which I've never had a problem with],tested and certified. :) The 'after' picture was before it was quite finished and I'd just connected the tails in quickly to do the live tests, they were subsequently redone tidier. :)View attachment 41245 View attachment 41246 View attachment 41245 View attachment 41247 View attachment 41245
And that’s why they call you @Dave OCD, by the way was the spirit level for us to see? Just asking! Nice job.
 
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I particularly like the graffitti...I mean, who doesn't scribble their wiring ideas on the wall?
Redecorating recently, I stripped off some wallpaper near the thermostat in the hall, and there, preserved for all time, was the "working drawing" from years ago...and yes, it corresponded exactly to the wiring in the (now defunct) stat itself...except it wasn't quite defunct...it was unused and surplus to requirements, but still packed a punch when I fiddled with it...shoulda used my voltpen, dammit!
1960s install - wiring diagram of installation folded and placed next to Wylex 3036 - how great is that. Respect to the ‘real’ sparks - that would take me 2 days just to draw that diagram. We’ve got it easy! (Don’t tell @Pete999 that I said that)
 

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