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#39523 - 06/23/04 04:00 AM 20-year lightbulb?  
pauluk  Offline
Member
Joined: Aug 2001
Posts: 7,520
Norfolk, England
Does anyone remember this, or know if the company is still around to back up their 20-year warranty?
www.x-entertainment.com/downloads/commercials/diolight.wmv


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#39524 - 06/23/04 09:14 PM Re: 20-year lightbulb?  
Mike_Breese  Offline
Junior Member
Joined: Jun 2004
Posts: 3
Guelph Ontario
Sorry Ive never heard of it, but I found a cool story on a lightbulb that has run continuously for a 100 years
http://www.firehouse.com/news/2001/6/11_bulb.html


#39525 - 06/24/04 02:11 PM Re: 20-year lightbulb?  
Bjarney  Offline
Moderator
Joined: Apr 2002
Posts: 2,527
West-Southern Inner-Northeast ...
Back when Hector was a pup, corrugated sleeves for packaging General Electric’s “long life” incandescent lamps had a notice that generally recommended use only for cases where

1) labor cost for replacement was very high, or,

2) electricity cost/kWh was very low.

Their apparent rationale for the notice: energy efficiency of these specific lamps was poor, so discouraged for general use.

Aside — This type of lamp was manufactured with brass-screwshell bases and not aluminum, so were desirable for cases where the lampholder screwshell was also aluminum, potentially making the lamps difficult to later replace if condensation occurred.




[This message has been edited by Bjarney (edited 06-24-2004).]


#39526 - 06/24/04 02:35 PM Re: 20-year lightbulb?  
Bill Addiss  Offline
Member
Joined: Oct 2000
Posts: 3,878
NY, USA
Quote
Sorry Ive never heard of it, but I found a cool story on a lightbulb that has run continuously for a 100 years
Mike,

We have a couple threads on it in our 'Nostalgia' Area, including some additional information from it's caretakers:
https://www.electrical-contractor.net/ubb/Forum17/HTML/000017.html
https://www.electrical-contractor.net/ubb/Forum17/HTML/000016.html

Here's the 'Bulb Cam':

[Linked Image]

[Linked Image]
Bill


#39527 - 06/24/04 04:23 PM Re: 20-year lightbulb?  
BigJohn  Offline
Member
Joined: Mar 2004
Posts: 391
Boston, MA
In regards to that bulb that has been running for 100+ years, I have to wonder if it is on a UPS and generator to keep it from cycling off and on during blackouts?

-John



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