Author Topic: Silicon(e) plasma  (Read 449 times)

Offline MechatEng2023

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Silicon(e) plasma
« on: July 07, 2024, 11:04:43 PM »
After playing with my 7 kV 50 mA neon sign transformer I noticed that the arc becomes brighter when it touches the silicone insulation of the wire.
I think that silicon atoms from the silicone insulation are excited in the plasma, I need to make a spectrometer to check it.
https://www.youtube.com/shorts/fl3XVvFFNoU

Offline alan sailer

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Re: Silicon(e) plasma
« Reply #1 on: July 07, 2024, 11:15:35 PM »
That's cool.

But do you really want to trust that whoever made that wire has a record of zero insulation defects?

In general, with high voltage, two layers of safety is wise. In this case, get a good piece of plastic rod and tape the NST wire to the end...
Then pick up the plastic rod and run these experiments.

Cheers.

Offline MechatEng2023

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Re: Silicon(e) plasma
« Reply #2 on: July 09, 2024, 07:30:05 PM »
The NST is not connected to mains ground and I stand on plastic floor, on a thick carpet waering plastic slippers. Once I got close to the end of one wire and I only got a tingle from capacitive coupling. Before I handled the wires like that, I moved the end of the other wire along its length to make sure there are no cracks in the insulation. This wire is not come cheap chinese brand.
I have seen several videos where people  grab wires  connected to 15 kV 60 mA NSTs.

Offline alan sailer

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Re: Silicon(e) plasma
« Reply #3 on: July 10, 2024, 12:09:06 AM »
It's your choice. It's just an unnecessary risk. In my book the only guaranteed safe
method of dealing with high voltage is distance.

The plastic carpet and shoes are good precautions. But since no-one but you knew they
were there anyone imitating your video might not be so safe...

I'll stop being a safety grandpa now...

Cheers.

High Voltage Forum

Re: Silicon(e) plasma
« Reply #3 on: July 10, 2024, 12:09:06 AM »

 


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