What is the "better / best " method to multi-boot different OSes natively WITHOUT VirtualBox(es) ?

David Christensen dpchrist at holgerdanske.com
Mon Oct 26 01:51:54 UTC 2020

On 2020-10-25 14:52, Ralf Mardorf wrote:
> On Sun, 25 Oct 2020 11:39:48 -0700, David Christensen wrote:
>> On 2020-10-25 05:54, Ralf Mardorf wrote:
>> Please explain how galvanic isolation relates to electrostatic
>> discharge mitigation.
> That's a misunderstanding.
>> Please explain the risk(s) associate with antistatic wrist straps.
> IMO it's a risk for a human being to wear an antistatic wrist strap,
> when getting in touch with gear that is connected to the mains.
> IMO if the gear isn't directly connected to the mains, because an
> isolating transformer grants galvanic isolation, an antistatic wrist
> strap isn't a risk for a human being.
> An antistatic wrist strap protects the gear against static charge, but
> might be risky for a human regarding potential equalization, assuming
> something should be fishy, such as a hot metal case. Once the human
> touches the hot metal case a fault current breaker should detect that
> something is missing, but galvanic isolation is way more secure than a
> breaker that probably is missing that something is missing.
> Actually the fault current breaker should already do it's job, when the
> metal case is hot, already before a human does touch it. If it doesn't,
> then touching the metal case might be dangerous with or without
> wearing an antistatic wrist strap.
> However, galvanic isolation is absolutely safe, unless getting in
> contact with both conductors, which is impossible in our scenario and
> even very unlikely when repairing gear.

I disagree with several of your points.

But, as the subject involves risk and liability, I advise any readers of 
this thread to hire qualified professionals if they need help with their 
electrical systems.


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