[Jewelry making - Article 01068] - Re: [Orchid] Anodzing Power Supply

[jesse brennan]

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    The higher voltage  (100 volts +) rectifiers  are not necessarily
    safe  as they stand.  This is particularly true for inexperienced
    non technical users. These units should have an isolation
    transformer between the input AC line and the user and they may
    often not have this as a result  they can  give life threatening
    shocks. Less than 1 amp is enough across the body. Auto transformers
    (variacs) do not provide isolation. Equipment in hospital use  does
    require isolation and some industrial users insist on it. 

    Lower voltage systems  i.e. 12 -30 volts will normally have a
    transformer isolating the user from the line. The lower voltages
    also do not endanger life  as the higher ones do. 

jesse

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