[Jewelry making - Article 00067] - Re: [Orchid] Anodzing Power Supply

[John Flynn]

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    Sorry, James in SoFl, but you are wrong here. 

    An isolation transformer is isolated from ground on the secondary
    side, the side you are getting your power from. 

    I was an electrician for 21 years and have installed them in some
    hazardous locations like hospital rooms with oxygen tents. 

    I also anodize niobium using Reactive Metals's old mini anodizer
    plugged into an isolation transformer. When I anodize I am often in
    contact with EITHER side of the circuit with no harm done. I'm in
    Hawaii and work without gloves, barefoot on a concrete floor most of
    the time. The one time in 17 years that I contacted both sides at
    the same time I got "bit" as electricians call it. This would happen
    with any circuit. 

    The big thing to remember is that you don't want to be the device
    that completes the circuit. With normal power that means getting
    between the hot wire and the neutral or the ground. With an
    isolation transformer the ground is not part of the circuit. 

John Flynn

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