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

[Ian White, G3SEK]

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.


73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.demon.co.uk/g3sek

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