Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!sun-barr!cs.utexas.edu!csd4.milw.wisc.edu!bionet!ames!dlb!megatest!jao
From: jao@megatest.UUCP (John Oswalt)
Newsgroups: sci.electronics
Subject: Polarized Plugs
Message-ID: <5558@clint.megatest.UUCP>
Date: 7 Jun 89 16:45:30 GMT
Reply-To: jao@megatest.UUCP (John Oswalt)
Distribution: usa
Organization: Megatest Corporation, San Jose, Ca
Lines: 7

What is the point of 2-pronged polarized electrical plugs?  (The kind
where one prong is wider than the other.)  It seems to me that the only
difference in "signal" between the two prongs is a 1/120 second phase
shift.  It is a rare gadget indeed to which this matters.
-- 

John Oswalt (..!sun!megatest!jao)