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   alt.engineering.electrical      Electrical engineering discussion forum      2,548 messages   

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   Message 1,039 of 2,548   
   =?Windows-1252?Q?Nightcrawler=AE?= to Michael Moroney   
   Re: TransFormer Surge Arrestors   
   23 Nov 13 00:24:03   
   
   From: dirtydeeds@dirtcheap.org   
      
   "Michael Moroney"  wrote in message   
   news:l6p400$p8r$1@pcls7.std.com...   
   > Related question: When I was a kid, seemingly older pole transformers   
   > often had a thing attached to the pole under the transformer that looked   
   > like a large acorn.  I don't remember how wires were attached to it other   
   > than it was attached to the ground lead running down the pole, but what   
   > could this have been?  Perhaps a surge arrestor attached to the secondary?   
      
   If I recall correctly, that is where the old transformers made their center   
   tap to ground bond.  Modern transformers usually have those on the lower part   
   of one of their sides.  As with the new, there is a bus bar that worms its way   
   up the guts to the "neutral".   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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