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Tech Head - The Technology Section
The Work Bench and Soldering Station
Light bulbs - longevity and modern technology
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<blockquote data-quote="Channel Hopper" data-source="post: 1063050" data-attributes="member: 175144"><p>I've seen (and posted) links to videos of modern style lamps and bulbs, construction and hazards before now. Most if not all deal with the 230/240V designs and their dropper circuits or the heatsinks and earthing, but I cannot recall ones that are designed around low voltage</p><p></p><p>A client has had their entire ceiling in one room blown inside a month and I was inclned to think this might be a common transformer that had failed, but no, all were connected to an individual transformer (of slightly different models granted).</p><p></p><p>Replacing the existing lights with standard halogens has restored visibility however the cause of this is still under investigation.</p><p></p><p>The lamps involved are Tesco supplied LEDs which are supposed to be guaranteed to run for at least 3 years or 15000 hours continuously. I don't think they have had a fifth of this, but they are outside the two year warranty I would normally insist on.</p><p></p><p>The specific model</p><p></p><p><a href="https://www.tesco.com/groceries/en-GB/products/294361030" target="_blank">Tesco Led 50W Gu5.3 2 Pack - Tesco Groceries</a></p><p></p><p>I will take one apart this weekend to find out if there is a common fault, but at a fiver each I don't think they are worth replacing one for one.</p><p></p><p>Has anyone seen, or tried these ?</p><p></p><p><a href="https://www.lightbulbs.com/blog/tesla-light-bulb" target="_blank">Brand new Tesla light bulb (better than LED)</a></p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 1063050, member: 175144"] I've seen (and posted) links to videos of modern style lamps and bulbs, construction and hazards before now. Most if not all deal with the 230/240V designs and their dropper circuits or the heatsinks and earthing, but I cannot recall ones that are designed around low voltage A client has had their entire ceiling in one room blown inside a month and I was inclned to think this might be a common transformer that had failed, but no, all were connected to an individual transformer (of slightly different models granted). Replacing the existing lights with standard halogens has restored visibility however the cause of this is still under investigation. The lamps involved are Tesco supplied LEDs which are supposed to be guaranteed to run for at least 3 years or 15000 hours continuously. I don't think they have had a fifth of this, but they are outside the two year warranty I would normally insist on. The specific model [URL='https://www.tesco.com/groceries/en-GB/products/294361030']Tesco Led 50W Gu5.3 2 Pack - Tesco Groceries[/URL] I will take one apart this weekend to find out if there is a common fault, but at a fiver each I don't think they are worth replacing one for one. Has anyone seen, or tried these ? [URL='https://www.lightbulbs.com/blog/tesla-light-bulb']Brand new Tesla light bulb (better than LED)[/URL] [/QUOTE]
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