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   sci.electronics.repair      Fixing electronic equipment      124,925 messages   

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   Message 123,398 of 124,925   
   Charles Lucas to All   
   Re: Can somone explain WHY positive firs   
   18 Jan 23 09:05:46   
   
   From: clsnowyowl@gmail.com   
      
   One of the reasons why the specific order is indicated (that is "Positive   
   First" is attached   
   and then "Negative Last" is attached when connecting a car battery- and the   
   when   
   disconnecting a battery, the Negative is disconnected first, followed by the   
   positive   
   last- vice versa when connecting and disconnecting as just explained in this   
   order)   
   for a few reasons.   
      
   First of all, with DC, it is direct current. By doing as instructed with the   
   negative terminal,   
   you minimize or eliminate electrostatic discharge (which can be harder on   
   other components),   
   the memory circuits on either a car or other device are "cleared" or   
   re-initialized in this way,   
   and it minimizes the risk of a short circuit (or the positive and negative   
   "touching") when this   
   is done. So, it saves your components (and your battery too).   
      
   Good Luck.   
      
   Charles Lucas   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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