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

An easy mistake without testing perhaps?
Job to add power shower to 2nd bathroom yesterday. Full bathroom refurb so just first fix, but nothing else on so I thought I'd poke about. Board is plastic twin RCD all good numbers TNCS, I look at existing power shower and see it's been connected with flex to plug (wrong fuse) into a single outlet RCD socket (in another room). Plug in trusty tester ... no eflc reading or RCD test. Oops, busted my tester ? Take RCD outlet off wall and find the cpc neatly connected to the mounting screws but not the earth pin. Def no earth carried forward in flex to the power shower.

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I don't get it... why would you do that? Would be interesting to see the installation instructions to see what they recommend, may shed some light on the thinking, but I re-iterate... I just don't get it.
 
Now that just seems like a terribly bad design. Why on earth would they want to keep them separate.
Agree, gave me a moment when I thought tester had died ...
Here's a pic from different angle. From the side it's clearly NC, but from the back, not quite so. The unit is pristine and works fine, tested in the bat cave this morning :)

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I see it is even labelled as SE. Have you still got the instructions that came with it?
 
No instructions I'm afraid. I had a quick look online for Volex VT1108 Protector RCD but couldn't find anything useful.
Owner been in house 5 years and had CU dual RCD upgrade done, but this RCD unit and power shower was put in sometime before, by looks about 10yrs ago. Messrs Shower and CU clearly hadn't tested this socket when they did their work, tut tut. I found another one of these RCD on ebay with exactly the same earth design, so it's not a one off :)
 
Hopefully one us will realise the reason for this obviously intentional feature and then we can all kick ourselves for not thinking of it sooner!
 
It looks to me like that is the functional earth, so you have an option to remove it.

In the dim distant past i remember trying to install one of these (Volex?) RCD FCUs. It was a slightly different design and the instructions had been copied so many times they were unreadable. IIRC the RCD would trip under load if you earthed the wrong terminal. It was a pile of poo then, and it seems that time has not improved anything.....
 
The way it was wired, the only time it could trip was if the 30mA actually went to earth through a carbon based life form. Hopefully.
 
Looks to me as though it was one piece of sheet metal with a joggle between the two levels just next to the top earth terminal. Could be that the metal has fractured at the bends and a piece has fallen out. Pretty bad manufacturing. Bends too tight or metal is the wrong grade and not sufficiently malleable.
 
Looks to me as though it was one piece of sheet metal with a joggle between the two levels just next to the top earth terminal. Could be that the metal has fractured at the bends and a piece has fallen out. Pretty bad manufacturing. Bends too tight or metal is the wrong grade and not sufficiently malleable.

It's intentional. The other terminal is even marked up differently
 
It's the in-thing now the rust-bucket look. There's companies specialising in doing rust effect paint jobs. Some of the American pick-ups look pretty good. Not sure about this one though!
 
It's the in-thing now the rust-bucket look. There's companies specialising in doing rust effect paint jobs. Some of the American pick-ups look pretty good. Not sure about this one though!
Yeah, I've also seen houses clad in rusty tin sheets, million pound properties that look like rusty old farm sheds! The world has gone mad!
 
Rotax engine in Armstrong bike yes. A 500CC single 4 stroke. Kick-start only.
 
Suzuki with those cans or lack of!

Ah you'd think that but it's actually pretty quiet- the silencer is in the collector box underneath on this bike, although on the throttle as the revs rise it sounds great as a butterfly valve opens up. The Honda is much louder with the Akra can and 'de cat' link pipe, sounds brilliant. :D
 

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