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Grounding with separate enclosures?
Grounding with separate enclosures?
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Old 5th February 2018, 03:25 PM   #41
scottjoplin is offline scottjoplin  Wales
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Good point
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Old 5th February 2018, 03:29 PM   #42
forr is offline forr  France
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Quote:
Originally Posted by scottjoplin View Post
Ok, you don't want to connect 0V to chassis because PE may be noisy, fair enough. On a side note, oscilloscope 0 volts/reference is usually connected to PE, why is that done?
Safety.
But there exist safe scopes with floating inputs which just allow to avoid the connection to earth.

EDIT
Have you noticed that scopes do not have a star ground scheme ? Why is that done ?

Last edited by forr; 5th February 2018 at 03:58 PM.
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