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dpack
Joined: 02 Jul 2005 Posts: 46207 Location: yes
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wellington womble
Joined: 08 Nov 2004 Posts: 15051 Location: East Midlands
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Mistress Rose
Joined: 21 Jul 2011 Posts: 15965
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jema Downsizer Moderator
Joined: 28 Oct 2004 Posts: 28233 Location: escaped from Swindon
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OtleyLad
Joined: 13 Jan 2007 Posts: 2737 Location: Otley, West Yorkshire
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tahir
Joined: 28 Oct 2004 Posts: 45668 Location: Essex
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dpack
Joined: 02 Jul 2005 Posts: 46207 Location: yes
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dpack
Joined: 02 Jul 2005 Posts: 46207 Location: yes
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Posted: Thu Jan 26, 17 1:11 pm Post subject: |
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"In my days as an electrician I often found the transformer was damaged (mostly by heat) and wonder why more fires weren't started"
around 1990 ish the spark who subbied to me also worked for the grovesnor estate, he told me about a transformer /halogen job he had had to fix.
british museum , quite a few 12v halogen spots in a line, installed by a muppet using 1.5 twe rather than nice, big, fat cables that could handle a high current as nature (and regs) intended.(fat wires avoid that issue)
fortunately it only smoked the glass of some display cases in the shop rather than torched a larger, more flammable, less replaceable bit of a world quality museum .
transformers in small voids are always an overheating risk ,i dont like them at all. some halogen fittings can be a bit moody as well, especially if in the wrong type of position or mounted in the wrong sort of materials. |
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