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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 71,504 of 72,318   
   Michael Terrell to Steve Wolf   
   Re: Wattage of rough service incandecent   
   12 Jan 20 15:59:51   
   
   From: terrell.michael.a@gmail.com   
      
   On Sunday, January 12, 2020 at 9:45:58 AM UTC-5, Steve Wolf wrote:   
   > I have build a series load test light. eg. you plug a load in and it runs in   
   series through a lamp, in case there is a short, the lamp takes up the load,   
   so as to not blow a fuse. The lamp you use should be 3 x's the load. eg 20   
   watt load should have a    
   60 watt bulb. this means that you really need a variety of lamps.   
   >    
   > Once finished I realized that getting an incandescent light bulb is not so   
   easy since the government has restricted the manufacture and importation of   
   them. They do still allow a few varieties. One such variety is Rough Service   
   lamps. Im kinda    
   wondering since I assume that a 40W rough service light still uses 40w?  Since   
   that's what is on the packaging. My understanding is that they have thicker   
   filaments, which would draw more wattage. But I think this would just give off   
   less light. I    
   respect the engineers who put the data on the package so I assume that a 40w   
   is still 40 watts. It would be wrong to put anything else on the package.   
   >    
   > Of course if I wanted a larger bulb 60w 100w 150w. I'm not sure what to use.   
   Maybe a flood light which I think are still available for 150w.   
   >    
   > Finally, I wonder if I ordered incandescent lamps from Amazon, if they would   
   be stopped at the boarder ???   
   >    
   > Thoughts ??   
      
   Why can't you find rgular bulbs? Anything considered a specialty bulb, which   
   is under 60 watts was excluded. It isn't that hard to still find 60Watt, but   
   the prices have gone up two about double. I still have a stash of them, and   
   I'd bet that you have a    
   friend or neighbor who has some they didn't throw out.   
      
   Dollar Tree has 60W halogen and 4W ceiling fan lamps. The only 20W that I've   
   ever seen used odd bases. Grainger has several types, but all that I have seen   
   were for fish tanks.   
      
      
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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