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Doug,
You must move some sort of ground, When a VDG strikes you can get
very large currents flowing especially in the loop of the discharge.
Ideally I would have a separate earth and not depend on the mains
wiring, else you can get spikes into other connected electrical powered
devices.
It is also important that the discharge cannot not make a connection to
the supply, otherwise you may have a long spark backed by mains current.
An earthed box covering the mains powered items is vital to prevent this.
Derek
On 16/02/2018 19:32, doug wrote:
For those also interested in VanDeGraaffs a question
This is a video of a VDG I just finished building, You will notice some strikes to the dimmer switch, would it be wise to use a 2 wire + ground for the AC hookup I have instead of the 2 wire only?
Doug
https://youtu.be/DlCD2jYjg2A
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