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Re: Damages to Electronic Equipment
The tesla coil and the computers are _not_ in the same room.
The computers are all upstairs, and the tesla coil is in the
basement, in the room _under_ the computer.
Most of the network cables are run on the outside of the house.
The computers are in different rooms around the upstairs of the house.
I could unplug the network cables when I'm going to run the coil.
Can you tell me why covering the ceiling with a grounded mesh
wouldn't help?
Thanks
----- Original Message -----
From: "Tesla List" <tesla-at-pupman-dot-com>
To: "David Kronstein" <david_kronstein-at-telus-dot-net>
Cc: <tesla-at-pupman-dot-com>
Sent: Sunday, February 13, 2000 2:39 PM
Subject: Re: Damages to Electronic Equipment
> Original Poster: Terry Fritz <twftesla-at-uswest-dot-net>
>
> Hi David,
>
> At 12:02 PM 02/11/2000 -0800, you wrote:
> > Hello
> >
> >I have a _very_ expensive computer in the room above where I am
> >going to run my tesla coil.
>
> This is NOT good!!!
>
> >
> >I haven't run it yet because i'm afraid it might damage it.
>
> That IS good!!!
>
> >
> >The computer is connected to a network, phone and cable TV
>
> All will act as strike rails or conductive RF ground paths that could
allow
> say 20 amps of RF to flow through those circuits. That would lead to
total
> destruction...
>
> >
> >Could the network act as an antena and pick up interference?
> >There are three computers on the network.
> >
> >Could this damage anything?
>
> If you had a really bad day you could totally destroy every bit of it!!!
> The phone and network wires could easily pick up destructive currents many
> orders of magnitude higher than is needed to destroy the computer
circuits.
>
> Tesla coils produce hundreds of thousands of volts, extreme magnetic
> fields, extreme electrostatic fields, extreme current fields. All which
> could destroy a nearby computer with ease. The voltage will easily fry
> that 5 volt and 3.3 volt microprocessor buss stuff. The magnetic fields
> could induce equally destructive voltages on long wires or traces on the
PC
> boards. The electrostatic fields will raise powerful static voltage
> charges on everything.
>
> >
> >The coil is powerd by a single 15KV 60mA nst.
>
> Easily powerful enough to do the damage described above.
>
> >
> >Would covering the ceiling with some sort of grounded mesh be
> >enough to protect it?
>
> Hardy,
>
> I would strongly suggest two options. Move the coil somewhere else far
> away so it does not use any of the same AC wiring as your computer stuff.
> Or, move all your computer stuff equally far away. The coil must not be
> allowed to strike phone lines, cable TV, network lines, or anything else
> but lengths of wire connected directly to ground rods.
>
> I would say running a 900Watt Tesla coil in a room with three networked
> computers would almost guarantee extraordinary damage to them.
>
> I'll copy you on this directly incase you are just about to....
>
> Cheers,
>
> Terry
>
> >
> >Thanks
> >
>