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  #41  
Old 15.08.2011, 23:01
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Re: Ceiling wire connection confusion (image included)

I am not going to tell you where I have seen the earth connectrd to when there are only 2 wires in the Ceiling. I have seen the same thing in DE & CH & assured it's normal.
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  #42  
Old 15.08.2011, 23:07
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Re: Ceiling wire connection confusion (image included)

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A lamp bulb needs two electrical connections. One is the screw thread, the other is the shiny middle at the base of the bulb. This is what he means by the middle.

It was suggested to make sure that the neutral is wired to the screw-thread bit of the lamp holder and the live to the middle bit of the lamp holder.

You will get a bit more protection like this as it's quite difficult to touch the live middle bit of the lamp holder when changing a bulb.



Tom is saying that it doesn't matter as he wouldn't touch either contact (in case it had been wired wrongly.
Ok makes perfect sense now! First light tomorrow I will try it. No I will go and buy colour coordinated copper wire like Ittigen suggested first.
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  #43  
Old 15.08.2011, 23:08
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Re: Ceiling wire connection confusion (image included)

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Playing the game of life and death is the ultimate thrill. When I was a kid we had a dodgy bedroom switch. 20% of the time it would give me an electric shock
I used to build PC and repair them. The no of time I get shocked by a faulty PSU is not funny. Therefore I will strip paint off doors, do plumbing in the house, repair cars, build veg boxes etc but never ever touch electric work in the house. I am nutting enough without more wired blown!
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  #44  
Old 15.08.2011, 23:26
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Re: Ceiling wire connection confusion (image included)

"How many EFers does it take to correctly change a light fitting?"
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  #45  
Old 16.08.2011, 00:08
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Re: Ceiling wire connection confusion (image included)

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Tom is saying that it doesn't matter as he wouldn't touch either contact (in case it had been wired wrongly.
Follow up question to my e-learning. I will be following the lamp manual diagram perfectly but as on the lamp both the Live wire(A) and Neutral wire (C) are silver in colour how can I work out which one of them is touching centre of the bulb and which one is touching the screwy part of the bulb? Should I safely assume that light bulb manufacturer has put the L (A) wire to the centre of the bulb? Visually I am not able to tell unless I completely dismantle the bulb holder area.
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  #46  
Old 16.08.2011, 00:12
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Re: Ceiling wire connection confusion (image included)

I didn't want to suggest that, but yes I think you will have to trust a Chinaman to have wired it up correctly as per the diagram.

That is why I said go ahead, wire it up, and test it when you have some help.

By the way: the Doodah is called a "Schraubklemme" and the Chiclet is called a "Steckklemme"

Last edited by Ittigen; 16.08.2011 at 00:29.
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  #47  
Old 16.08.2011, 00:22
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Re: Ceiling wire connection confusion (image included)

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I didn't want to suggest that, but yes I think you will have to trust a Chinaman to have wired it up correctly as per the diagram.

That is why I said go ahead, wire it up, and test it when you have some help.
Btw the light hangs pendulum style from the ceiling. The silver cord is couple of meter long and my ceiling is not that high so I will have to shorten the cord.

I will mark the L and N with a pen at the cutting point. This way I don't lose sight of which silver wire was L and which one was N. That is assuming that the Chinese worker had wired it correctly in the first place
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Old 16.08.2011, 00:36
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Re: Ceiling wire connection confusion (image included)

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"How many EFers does it take to correctly change a light fitting?"
it depends
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  #49  
Old 16.08.2011, 09:59
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Re: Ceiling wire connection confusion (image included)

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As I think I explained, if it is wrong you will get an electric shock when you change the lamp.
Only if you touch the metal part of the bulb. Why would anyone to that?

Most table lamps have two-pronged blugs, so plug it in one way, phase goes to the tip, turn the plug around, it goes to the ring.

Tom
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Old 16.08.2011, 10:09
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Re: Ceiling wire connection confusion (image included)

looking at that mess of wires and odds and ends that don't seem to mesh is PRECISELY why I just hired an electrician to do it for me (while I watched from the comfort and safety of my sofa).
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  #51  
Old 24.08.2011, 13:59
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Re: Ceiling wire connection confusion (image included)

Update- I have changed 5 light fittings since this thread was started. One even involved extending the cable few meters along the ceiling

I have changed the light bulb few times to test and no fireworks.
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  #52  
Old 27.09.2011, 15:03
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Re: Ceiling wire connection confusion (image included)

This is flippin' confusing stuff- why can't these Swiss just use standardized colors and attachments (or just leave the ends exposed)? "Plug the blue wire into the blue socket," etc? I'm gonna take a shot at it in our new apartment tomorrow when I go over there (still in temporary housing until our shipment arrives). Fingers crossed for no fireworks...
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