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

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   Message 71,360 of 72,318   
   AK to All   
   Re: Isolation transformer?   
   29 Jul 19 18:04:21   
   
   From: scientist77017@gmail.com   
      
   On Monday, July 29, 2019 at 8:03:42 PM UTC-5, AK wrote:   
   > On Sunday, July 28, 2019 at 6:57:45 PM UTC-5, Bob Engelhardt wrote:   
   > > I was looking for a 120-120 isolation transformer on eBay and I kept   
   > > finding 120-240/480 transformers.  There are 2 secondaries on these   
   > > (connect in parallel or series).  It occurred to me that I could use one   
   > > of these as a 120-120 by using one secondary as input and the other   
   > > secondary as output.  I know that this is theoretically possible, but   
   > > are there practical reasons why it wouldn't work?   
   > >   
   > > Also: if one of these 120-240/480 transformers is rated 500VA, that   
   > > means 1 amp on the secondary, right?  I.e., 1A at 480v.   
   > >   
   > > Thanks,   
   > > Bob   
   >   
   > I have one you can have for free. You just have to pay postage.   
   >   
   > It weighs in at 9 lbs.   
   >   
   > Bando Shielded Power Transformer Yamaha BD21A35E-0004   
      
   I forgot this.   
      
   This came from a Yamaha 240 watt receiver.   
      
   --- SoupGate-Win32 v1.05   
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