Rewire lightbox - need help!!


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Old 01-07-13, 10:28 AM
W
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Rewire lightbox - need help!!

Hi guys and girls. First post here but I've recently taken to fixing and building things, so I'm sure it won't be the last.

I'm trying to re-wire a medium sized lightbox. I've taken the back off and there are two interconnected fluorescent? tubes which have two wires coming from them at either end. (pic 1 - there are two of these coming from either end of the light tube)

I would like to re-wire this lightbox for use in my house, with a switch on the cable and running to a UK plug socket.

I've never re-wired anything like this before, so any help would be really appreciated!!

Obviously I am a massive beginner when it comes to this, but willing to follow instructions or advice to get the thing working.

Thanks,

Will

pic 1
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Old 01-07-13, 12:58 PM
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Welcome to the forums! While this is primarily a North American forum, we have those on board who have some expertise in UK wiring. It is a little different than what we are accustomed to. Not knowing what I am looking at first off, it appears this is neon and not fluorescent. Voltages are very different (thousands of volts) for neon, if that is what you have, so be careful. One of our guys with a little more knowledge that I will be along shortly, so hang in there.
 
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Old 01-07-13, 01:59 PM
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The picture doesn't give a clear view but it sure looks like neon as Chandler said. Neon is not legal for residential lighting use in the US because the voltage exceeds 600 volts. Is it legal in the UK for residential lighting? Or is this for some sort of sign? That would be okay.
 
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Old 01-07-13, 02:14 PM
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Ray, we had one powering a cross in our old sanctuary that had a secondary of 3k volts. They wanted it removed for demolition purposes. It had a transformer box as big as a tool box . Of course it was probably ancient to begin with.
 
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Old 01-07-13, 03:28 PM
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I had an old 15KV transformer that I got for free because of burnt windings that would still output 7.5KV between center tap and one side that I use to play with as a kid. (Eat your heart out Justin). But more on topic the cross code wise was probably considered a sign (no pun intended) thus wasn't considered lighting.
 
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Old 01-07-13, 04:04 PM
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Thanks for the response Chandler.

After further inspection it turns out you are probably right - each of the cut wires has a mark on it which reads 5000V. I'll upload some more images tomorrow so you can see this in more detail.
 
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Old 01-07-13, 05:01 PM
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Does the transformer look like this?

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Old 01-18-13, 07:42 PM
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back on it

Hi all,

Apologies for the delay in getting back to you - it's been a hectic couple of weeks here since moving in.

This is definitely a sign for commercial use. As such the voltage is massive - too great for domestic use. I've come to the conclusion that this isn't a 're-wiring' job, rather a case of stripping out the old neon light and replacing with domestic bulbs.

Will keep you posted / ask many questions over the next few days.

Thanks,

Will
 
 

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