[ARC5] Potential Good Deal

[Kenneth G. Gordon]

On 26 Nov 2015 at 18:11, Robert  Eleazer wrote:

> I just stumbled onto the fact that Amazon has " Goldsource STU-500 Step Up and
> Down Voltage Converter Transformer, AC 110/220 V, 500 Watt" on sale for $28.75. 
> If you need a whole lot of 220V power from a 110V AC source it sounds like a
> good deal.

Be careful: I bought something like that off eBay some time ago, mainly to 
check it out. It is an auto-transformer, and is not a true isolation, or "two 
winding" transformer. I would be willing to bet that this "Goldsource" job is 
the same thing.

Ken W7EKB