[AMPS] High Potential Tester (high-pot) Components

[Rich Measures]

>Rich Measures wrote:
>
>>>Hmmmm...  I measure 12.7 ohms across the primary.  A true center tap
>>>should be 9 ohms.  Maybe something is wrong with mine.
>
>>Due to the current requirement difference, the two windings probably have 
>>unequal resistances.  
>
>Although a dual primary has the same number of turns on each winding,
>you can expect slightly different resistances (maybe up to about 10%)
>because the winding on the outside needs a longer length of wire for
>each turn.
>
This is not your average dual voltage transformer, Ian.  The primary  has 
3 wires instead of of the typical 4 wires.  
Rich...

R. L. Measures, 805-386-3734, AG6K   


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