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Recent content by Tadmeister

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60s lamp overheating

Brilliant. Thanks again.
- Tadmeister
- Post #33
- Oct 18, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Thanks again. I think I can get the strain relief bush on the new cable but there is absolutely no room in the exit hole to wedge it in there so it will have to be just inside, stopping the cable from being pulled out (as it was with the old cable). However the fit is so tight with the 3-core...
- Tadmeister
- Post #31
- Oct 17, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Thanks again for all your help. I can squeeze some 3 core 0.5mm 3 Amp flex cable through the aperture in the base. Do you think that'd be ok? I've also got some 2 core 6amp flat cable which fits a bit better but I think the earthed option is probably safer. I'm definitely ok to solder - I've...
- Tadmeister
- Post #29
- Oct 17, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Thanks so much!
- Tadmeister
- Post #27
- Oct 15, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Hi again, Thanks for all the help everyone. Here's a short vid showing construction of the lamp - insides plus the wiring path. It is mainly plastic but has the metal arm which is carrying part of the 12V supply to the lamp. There are 2 bolts attached to this and there is also a screw holding...
- Tadmeister
- Post #25
- Oct 15, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating
- Tadmeister
- Post #24
- Oct 15, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Hi again, My friend wants me to replace the cable and the plug. Would it be ok to use 6amp rated 2-core cable like this: - https://www.ebay.co.uk/itm/2-Core-Flexible-6-Amp-Mains-Cable-0-75mm-sold-by-the-Metre-Choice-of-colour/182883916244?epid=1805146026&hash=item2a94bb19d4:g:9vgAAOSw7z1aAcuf...
- Tadmeister
- Post #21
- Oct 14, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Good call Lucien! Just tested the voltage with the bulb in and it is 11.5V as oppsoed to 15V unloaded so it looks like the transformer is ok. Just trying the 30mins no-load test...
- Tadmeister
- Post #18
- Oct 12, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Yes, it would certainly look better. Trying to source one now.
- Tadmeister
- Post #17
- Oct 12, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Thanks so much for this. Loads of useful info. The output voltage was tested without any load. I haven't run it unloaded for more than about 10 mins but the transformer seemed pretty cool both unloaded and with the bulb in and I tried it with the bulb on HIGH setting for around 25 mins. The...
- Tadmeister
- Post #13
- Oct 11, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Well spotted! I hadn't checked that - thanks so much! That plus the fact that the voltage reading may be a little high because I tested it unloaded may mean that actually the transformer is fine. I just need a lower wattage bulb - maybe an LED one like this...
- Tadmeister
- Post #12
- Oct 11, 2020
- Forum: UK Electrical Forum
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60s lamp overheating

Thanks again for the v helpful info. Actually the transformer feels quite cool - not overheating at all. Its the filament bulb and surrounding casing that feels a bit hotter than it should be and on the low setting it is not overly hot at all.
- Tadmeister
- Post #11
- Oct 11, 2020
- Forum: UK Electrical Forum
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60s lamp overheating

Thanks for that. Any idea how long the transformer might last for? And if it fails, is that dangerous - i.e. fire - or will it just blow the bulb and trip a circuit breaker?
- Tadmeister
- Post #6
- Oct 9, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Hi again, Just tested the voltages and we've got 15VAC on the HIGH setting and 10VAC on the LOW setting. Could this be an internal short on the transformer? The lamp casing does feel a little hot. Would a 12V rated LED bulb work okay at 15V. I am assuming that it will solve the problem of it...
- Tadmeister
- Post #4
- Oct 9, 2020
- Forum: UK Electrical Forum
T
60s lamp overheating

Thanks so much for this. Gosh I must be tied - of course it wouldn't be DC as there is no rectifying circuit there. The transformer does look a bit old. The 3 position rotary HI-OFF-LOW selector switch feeds into the mains side of the transformer, adjusting the number of windings so I guess the...
- Tadmeister
- Post #3
- Oct 8, 2020
- Forum: UK Electrical Forum

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