>How feasible would it be to construct such a torroid?
>Or modify one already existing. In the project that
>Tony posted, they seem to have used a snap on choke.
>This seems to be a nice arrangement as it's already
>split in two and can be snapped around the wire. However,
>4/0 cable is rather thick (0.46inch), and I don't know
>about finding a snap on choke that large.

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