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RE: Grounding Question
Original poster: Yurtle Turtle <yurtle_t-at-yahoo-dot-com>
See comments below.
--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "John H. Couture"
> Adam -
> There are still some changes you should make.
> Coil 13 -
> The transformer enclosure will have a ground lug
> that should be connected to
> ground. Some transformers will have a separate
> terminal for the shield
> between the windings as you show but this is not
> considered the enclosure
> ground point.
That's my connection to number 3. I'm pretty sure my
pig ground lug connects the case to the transformer
core, as I've indicated.
> There should be a short connection between point 10
> and 11 and RF ground.
> Keep in mind that this is part of the secondary
> circuit and connects two
> plates of a capacitor together, topload and ground
> and should be as short as
> Coil 14 -
> Again the transformer enclosure will have a ground
> lug that should be
> connected to ground. If there is no enclosure the
> frame should be grounded.
My PT doesn't have a ground lug. That, plus the fact
that it's 120 volts, is why I'm asking.
> Coil 15 -
> This is definitely a NEC violation
My whole garage is an NEC violation!
> because the
> transformer enclosure or
> frame is not connected to the electric service
> ground. A separate ground
> wire from the transformer to the service ground is
> mandatory. Use the Coil
> 14 diagram plus the enclosure ground.
> Note that the above is not for NST's or other
> transformers that have the
> secondary winding grounded at the center.
> John Couture