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Electric illuminated table cloth Part 2

Electric illuminated table cloth Part 2


Electric illuminated table cloth, fittings with lamps. I remember having seen something similar at the London Science Museum about 20 years ago. Just found it on the Internet.

20181207_223738_resized.jpg edtaclo2 - Kopie.jpg edtaclo_Seite_3.jpg edtaclo_Seite_2.jpg

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Filename:edtaclo_Seite_3.jpg
Album name:Headgardener / New album
Keywords:Miscellaneous
File Size:10 KB
Date added:Dec 06, 2018
Dimensions:250 x 167 pixels
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URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-153967
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tungsram
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Dec 06, 2018 at 03:03 AM Author: tungsram
What exactly is this? Can’t see clearly because I can’t enlarge the picture.
Headgardener
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This is still a CFL- and LED-free zone!


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Dec 06, 2018 at 05:14 AM Author: Headgardener

What exactly is this? Can’t see clearly because I can’t enlarge the picture.


These are lampholders mounted on round wooden plates. The plates have two pins below that can pierce the regular table cloth and thus reach the metal conductors bedded between the layers of the electric table cloth underneath. It is of course not one of the safest constructions but the effect is impressive. The whole thing ran on mains. Well, in those days not everything had to be nearly idiot-proof.
sol
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Dec 06, 2018 at 06:16 AM Author: sol
Neat idea however a bit on the unsafe side.

Now, how does one prevent one of the pins from touching both mains layers and hopefully do no more harm than blowing a fuse or tripping a breaker ?
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This is still a CFL- and LED-free zone!


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Dec 06, 2018 at 07:00 AM Author: Headgardener

Neat idea however a bit on the unsafe side.
Now, how does one prevent one of the pins from touching both mains layers and hopefully do no more harm than blowing a fuse or tripping a breaker ?


I guess the metal layers are positioned in stripes one next to the other like rails. I have no idea about the width of the stripes and the spaces between them. I think it is quite a challenge to get a good working contact. I would definitely use this gadget but despite my sense of adeventure I would opt for a safety transformer, one with a ratio of 1 to 1 between the primary and secondary windings to protect secondary circuits and individuals from electrical shocks between energized conductors and earth ground.
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Dec 06, 2018 at 10:53 PM Author: tungsram
You would have a problem if you spill your drink on the table 😊
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