My first thought on this is that if I were looking in the drawers I'd touch
the metal of the cabinet before opening the drawer. Also if the drawers have
a metal handle and are grounded inside the cabinet the by virtue of all that
you would be grounded, no need for anything more.

KennyB
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Graham Collins
Sent: Wednesday, May 26, 2010 9:30 AM
To: [log in to unmask]
Subject: [TN] ESD spec question

Hey TechNet
It's been a quiet day on Technet!  

I've got a question regarding ESD.  I was taught that if I am not
grounded I do not go near anything that is ESD .  The example we are
debating here today concerns parts that are stored in metal cabinets.
The cabinet is grounded, and within the cabinet drawers there are ESD
sensitive parts in individual bins, not covered or packaged (no faraday
cage).  

Is it OK to open the drawer and look into the cabinet without being
properly grounded?  I say no, but am I being overly cautious?

If "no" is the right answer, where would I find that in an ESD spec?
I've given ESD-S20.20 a quick peruse, nothing jumped out at me.

regards, 
  
Graham Collins 
Halifax Production Engineering 
(902) 873-2000 ext. 6215 

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