John, Rich;

Could either of you clarify why a double insulated SELV circuit can not be 
grounded?  Is it a 60950 based or based on some other performance(?) based 
requirements?

thx,
vgl

In a message dated Tue, 13 Nov 2001  7:51:18 PM Eastern Standard Time, Rich 
Nute <[email protected]> writes:

> Hi John:
> 
..
> 
> >   Well, perhaps I have made it clearer now. My beef with SELV is the ban
> >   on grounding, whereas PELV which is grounded AND double/reinforced
> >   insulated is clearly safer for systems extended in space.
> 
> Agreed.  In the products I deal with, this is our construction.
> However, we do not test the capability of the ungrounded PELV
> pole to carry fault current.
> 
> 
> Best regards,
> Rich
> 


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