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

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   Message 70,700 of 72,318   
   Bob Engelhardt to John Larkin   
   Re: MOSFET switch - sanity check   
   19 Aug 18 17:50:55   
   
   From: BobEngelhardt@comcast.net   
      
   On 8/18/2018 11:40 PM, John Larkin wrote:   
   > The problem with using AC switches in DC circuits is the hazard of   
   > sustained arcing when the switch opens. That's not going to happen if   
   > you use a 120 volt AC switch at 12 volts   
      
   I have experienced the AC-switch-DC=arcing and even though it was years   
   ... decades ago, I am sensitive to the problem.  Too much so, I guess.   
   My switch is actually 250v rated for my current, so I'm even safer.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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