https://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&action=history&feed=atom&&feed=atom&Project:Light the Space - Revision history2024-03-29T12:22:17ZRevision history for this page on the wikiMediaWiki 1.35.5https://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46901&oldid=prevKraptv: /* Shared Interest */2015-05-16T23:45:04Z<p><span dir="auto"><span class="autocomment">Shared Interest</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[User:cepmender|cepmender]] - The latest generation of LED stuff is much better than even a couple of years ago. Just had a load installed at work and the results are excellent. </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[User:cepmender|cepmender]] - The latest generation of LED stuff is much better than even a couple of years ago. Just had a load installed at work and the results are excellent. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Designing and making our own sounds really cool but probably will end with an inferior product at little saving and with excessive work for the person(s) concerned. For a one off, special application homebrew is the sensible solution but production line stuff should be left to the children of Shenzen (imho) </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Designing and making our own sounds really cool but probably will end with an inferior product at little saving and with excessive work for the person(s) concerned. For a one off, special application homebrew is the sensible solution but production line stuff should be left to the children of Shenzen (imho) </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Motion sensing is a great idea for corridors and lavatories, most of the luminaires mentioned above have motion sensing with a three min timer, this has caused no problems at all. They also have ambient light sensors (this facility is disabled atm) which would probably reduce consumption by about a further 50/60% for more than half the units. </div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Motion sensing is a great idea for corridors and lavatories, most of the luminaires mentioned above have motion sensing with a three min timer, this has caused no problems at all. They also have ambient light sensors (this facility is disabled atm) which would probably reduce consumption by about a further 50/60% for more than half the units.</div></td></tr>
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</table>Kraptvhttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46899&oldid=prevKraptv: /* Build vs Buy vs Womble Resources */2015-05-16T18:34:53Z<p><span dir="auto"><span class="autocomment">Build vs Buy vs Womble Resources</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:34, 16 May 2015</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* I had a look at replacement tubes in B&Q. They have Osram tubes that don't require balast replacement. 5' tubes are £25 each and consume 22W with 1800lm output at 3000K. Fluorescent tubes were £9 each and consume 58W for 5200lm at 4000K. So the LEDs are 82lm/W vs 90lm/W for the fluorescents. So they're not going to pay the 2.5 x cost off, and might require extra fittings. Confirms phil's opinion. (artag)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* I had a look at replacement tubes in B&Q. They have Osram tubes that don't require balast replacement. 5' tubes are £25 each and consume 22W with 1800lm output at 3000K. Fluorescent tubes were £9 each and consume 58W for 5200lm at 4000K. So the LEDs are 82lm/W vs 90lm/W for the fluorescents. So they're not going to pay the 2.5 x cost off, and might require extra fittings. Confirms phil's opinion. (artag)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Womble (Procure Freely) ===</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Womble (Procure Freely) ===</div></td></tr>
</table>Kraptvhttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46898&oldid=prevKraptv: /* Build vs Buy Resources */2015-05-16T18:31:56Z<p><span dir="auto"><span class="autocomment">Build vs Buy Resources</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:31, 16 May 2015</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This is a bit of a braindump of information that hopefully will result in an improvement to the lighting of the space and lowering the maintenance level / cost of hacking.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This is a bit of a braindump of information that hopefully will result in an improvement to the lighting of the space and lowering the maintenance level / cost of hacking.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== Build vs Buy Resources ==</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== Build vs Buy <ins class="diffchange diffchange-inline">vs Womble </ins>Resources ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>We're not going to create our own foundry to create LEDs, but we will want to (quickly) evaluate the levels of building versus buying LED arrays/drop-in replacements </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>We're not going to create our own foundry to create LEDs, but we will want to (quickly) evaluate the levels of building versus buying LED arrays/drop-in replacements </div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* I had a look at replacement tubes in B&Q. They have Osram tubes that don't require balast replacement. 5' tubes are £25 each and consume 22W with 1800lm output at 3000K. Fluorescent tubes were £9 each and consume 58W for 5200lm at 4000K. So the LEDs are 82lm/W vs 90lm/W for the fluorescents. So they're not going to pay the 2.5 x cost off, and might require extra fittings. Confirms phil's opinion. (artag)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* I had a look at replacement tubes in B&Q. They have Osram tubes that don't require balast replacement. 5' tubes are £25 each and consume 22W with 1800lm output at 3000K. Fluorescent tubes were £9 each and consume 58W for 5200lm at 4000K. So the LEDs are 82lm/W vs 90lm/W for the fluorescents. So they're not going to pay the 2.5 x cost off, and might require extra fittings. Confirms phil's opinion. (artag)</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">=== Womble (Procure Freely) ===</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* Many modern offices in London replace lighting at a far faster pace than the fixtures' duty cycle. This means free fixtures (and bulbs!) become available.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** These fixtures are often 10 years old or less and can be quite energy efficient, using smaller bulbs. </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** Mentar was successful at acquiring some modern fixtures which were very nice - we installed one in the washroom part of the green toilet/store room.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td></tr>
</table>Kraptvhttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46896&oldid=prevKraptv: Kraptv moved page Project:LED the Space to Project:Light the Space: Let's just choose the right lights for the right reason!2015-05-16T18:27:33Z<p>Kraptv moved page <a href="/view/Project:LED_the_Space" class="mw-redirect" title="Project:LED the Space">Project:LED the Space</a> to <a href="/view/Project:Light_the_Space" title="Project:Light the Space">Project:Light the Space</a>: Let's just choose the right lights for the right reason!</p>
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</tr><tr><td colspan="2" class="diff-notice" lang="en-GB"><div class="mw-diff-empty">(No difference)</div>
</td></tr></table>Kraptvhttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46707&oldid=prevArtag: /* Build vs Buy Resources */2015-05-01T17:25:31Z<p><span dir="auto"><span class="autocomment">Build vs Buy Resources</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR3.TRC1.A0.H0.Xt8+LED.TRS0&_nkw=t8+LED&_sacat=0 T8 LED Light Tubes] or [http://www.ledsave.co.uk/2400mm-8ft-t8-led-tube.html?gclid=CjwKEAjwmfKpBRC8tb3Mh5rs23ASJACWy1QPOxxDG5AgCUBUWv2AJ-Lg5VL9rH3S6QUmcVSDL6mb7RoC0tfw_wcB T8 LED Light Tubes from ledsave] are tubes that can use the same physical holders as fluorescents, but do require the removal of the fluorescent high voltage ballast as these run directly off of mains connections. (not too difficult but requires safety training and careful labelling and installation. </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR3.TRC1.A0.H0.Xt8+LED.TRS0&_nkw=t8+LED&_sacat=0 T8 LED Light Tubes] or [http://www.ledsave.co.uk/2400mm-8ft-t8-led-tube.html?gclid=CjwKEAjwmfKpBRC8tb3Mh5rs23ASJACWy1QPOxxDG5AgCUBUWv2AJ-Lg5VL9rH3S6QUmcVSDL6mb7RoC0tfw_wcB T8 LED Light Tubes from ledsave] are tubes that can use the same physical holders as fluorescents, but do require the removal of the fluorescent high voltage ballast as these run directly off of mains connections. (not too difficult but requires safety training and careful labelling and installation. </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* I had a look at replacement tubes in B&Q. They have Osram tubes that don't require balast replacement. 5' tubes are £25 each and consume 22W with 1800lm output at 3000K. Fluorescent tubes were £9 each and consume 58W for 5200lm at 4000K. So the LEDs are 82lm/W vs 90lm/W for the fluorescents. So they're not going to pay the 2.5 x cost off, and might require extra fittings.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* suggest that a couple of commercial fittings be bought or borrowed for trials, I have a supplier who may be up for this. (Phil)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* suggest that a couple of commercial fittings be bought or borrowed for trials, I have a supplier who may be up for this. (Phil)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* I had a look at replacement tubes in B&Q. They have Osram tubes that don't require balast replacement. 5' tubes are £25 each and consume 22W with 1800lm output at 3000K. Fluorescent tubes were £9 each and consume 58W for 5200lm at 4000K. So the LEDs are 82lm/W vs 90lm/W for the fluorescents. So they're not going to pay the 2.5 x cost off, and might require extra fittings. Confirms phil's opinion. (artag)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td></tr>
</table>Artaghttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46706&oldid=prevArtag: Added costs / comparison for Osram LED T82015-05-01T17:22:58Z<p>Added costs / comparison for Osram LED T8</p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:22, 1 May 2015</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l25" >Line 25:</td>
<td colspan="2" class="diff-lineno">Line 25:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR3.TRC1.A0.H0.Xt8+LED.TRS0&_nkw=t8+LED&_sacat=0 T8 LED Light Tubes] or [http://www.ledsave.co.uk/2400mm-8ft-t8-led-tube.html?gclid=CjwKEAjwmfKpBRC8tb3Mh5rs23ASJACWy1QPOxxDG5AgCUBUWv2AJ-Lg5VL9rH3S6QUmcVSDL6mb7RoC0tfw_wcB T8 LED Light Tubes from ledsave] are tubes that can use the same physical holders as fluorescents, but do require the removal of the fluorescent high voltage ballast as these run directly off of mains connections. (not too difficult but requires safety training and careful labelling and installation. </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR3.TRC1.A0.H0.Xt8+LED.TRS0&_nkw=t8+LED&_sacat=0 T8 LED Light Tubes] or [http://www.ledsave.co.uk/2400mm-8ft-t8-led-tube.html?gclid=CjwKEAjwmfKpBRC8tb3Mh5rs23ASJACWy1QPOxxDG5AgCUBUWv2AJ-Lg5VL9rH3S6QUmcVSDL6mb7RoC0tfw_wcB T8 LED Light Tubes from ledsave] are tubes that can use the same physical holders as fluorescents, but do require the removal of the fluorescent high voltage ballast as these run directly off of mains connections. (not too difficult but requires safety training and careful labelling and installation. </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* I had a look at replacement tubes in B&Q. They have Osram tubes that don't require balast replacement. 5' tubes are £25 each and consume 22W with 1800lm output at 3000K. Fluorescent tubes were £9 each and consume 58W for 5200lm at 4000K. So the LEDs are 82lm/W vs 90lm/W for the fluorescents. So they're not going to pay the 2.5 x cost off, and might require extra fittings.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td></tr>
</table>Artaghttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46613&oldid=prevCepmender: /* Buy */2015-04-27T12:55:18Z<p><span dir="auto"><span class="autocomment">Buy</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:55, 27 April 2015</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l27" >Line 27:</td>
<td colspan="2" class="diff-lineno">Line 27:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* suggest that a couple of commercial fittings be bought or borrowed for trials, I have a <del class="diffchange diffchange-inline">tame </del>supplier who may be up for this. (Phil)</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* suggest that a couple of commercial fittings be bought or borrowed for trials, I have a supplier who may be up for this. (Phil)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>Cepmenderhttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46612&oldid=prevCepmender: /* Buy */2015-04-27T12:20:25Z<p><span dir="auto"><span class="autocomment">Buy</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:20, 27 April 2015</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l28" >Line 28:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* suggest that a couple of commercial fittings be bought or borrowed for trials, I have a tame supplier who may be up for this. (Phil)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* suggest that a couple of commercial fittings be bought or borrowed for trials, I have a tame supplier who may be up for this. (Phil)</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* the tube replacement things are no match for properly designed luminaires and not much cheaper. (Phil)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td></tr>
</table>Cepmenderhttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46609&oldid=prevCepmender: /* Buy */2015-04-27T11:53:01Z<p><span dir="auto"><span class="autocomment">Buy</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:53, 27 April 2015</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/141546538153 Outdoor LED Floodlights] might be useful reflecting in both outdoor and ceiling-reflective environments. Might be effective with the tall ground floor ceilings as well</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.ebay.co.uk/itm/161432722444 Bayonet Incandescent Replacements] require no wiring changes but can only be used in existing bayonet sockets</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* suggest that a couple of commercial fittings be bought or borrowed for trials, I have a tame supplier who may be up for this. (Phil)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Locations needing Improved Illumination ==</div></td></tr>
</table>Cepmenderhttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Light_the_Space&diff=46606&oldid=prevCepmender at 11:45, 27 April 20152015-04-27T11:45:43Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:45, 27 April 2015</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[User:cepmender|cepmender]] - The latest generation of LED stuff is much better than even a couple of years ago. Just had a load installed at work and the results are excellent. </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[User:cepmender|cepmender]] - The latest generation of LED stuff is much better than even a couple of years ago. Just had a load installed at work and the results are excellent. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Designing and making our own sounds really cool but probably will end with an inferior product at little saving and with excessive work for the person(s) concerned. For a one off, special application homebrew is the sensible solution but production line stuff should be left to the children of Shenzen (imho) </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Designing and making our own sounds really cool but probably will end with an inferior product at little saving and with excessive work for the person(s) concerned. For a one off, special application homebrew is the sensible solution but production line stuff should be left to the children of Shenzen (imho) </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Motion sensing is a great idea for corridors and lavatories, most of the luminaires mentioned above have motion sensing with a three min timer, this has caused no problems at all. They also have ambient light sensors (this facility is disabled atm) which would probably reduce consumption by about a further 50/60% for more than half the units. </ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ''your_name_here''</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ''your_name_here''</div></td></tr>
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