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Is a 110V lamp run on 220V ruined?

 
 
Reply Thu 17 Jul, 2014 01:03 pm
I have a magnifying lamp built to support 110V. I ran it directly on a 220V overseas. The bulbs flickered, then fried. I'm wondering if I likely damaged the lamp too. I'd like to continue using it on the 220V with a converter. Have I fried the inner circuitry, ie lamp is ruined, or with new bulbs and the converter, can I expect it will work?
Thanks!
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Type: Question • Score: 1 • Views: 969 • Replies: 6
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timur
 
  2  
Reply Thu 17 Jul, 2014 01:13 pm
@mpatricksweeney,
Chances are your lamp will work again with 220 V bulbs and a transformer.

The bulbs usually "fry" a lot faster than the inner circuitry..
cicerone imposter
 
  1  
Reply Thu 17 Jul, 2014 04:03 pm
@timur,
Also, http://www.newton.dep.anl.gov/askasci/eng99/eng99336.htm
mpatricksweeney
 
  1  
Reply Thu 17 Jul, 2014 04:29 pm
@cicerone imposter,
Thanks to both.
The special bulbs are 13 watt (it's a low wattage magnifying lamp), 2 bulbs on each side of the magnifying plate. Do I need to consider the bulb voltage too? If I connect the 110V magnifier's AC to a transformer, then into the 220V power source, should that all jibe? Or do I need 220V bulbs?
cicerone imposter
 
  1  
Reply Thu 17 Jul, 2014 04:53 pm
@mpatricksweeney,
See if your answer can be found here.
http://www.newton.dep.anl.gov/askasci/eng99/eng99541.htm
dalehileman
 
  1  
Reply Fri 18 Jul, 2014 04:05 pm
@mpatricksweeney,
Pat can you attach a schematic
0 Replies
 
cicerone imposter
 
  1  
Reply Fri 18 Jul, 2014 04:19 pm
@cicerone imposter,
Here's another interesting article on the subject.
http://homemadecircuitsandschematics.blogspot.com/2012/03/how-to-make-simplest-1-watt-led-driver.html
0 Replies
 
 

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