Path: utzoo!attcan!uunet!husc6!mailrus!ames!ucsd!ucsdhub!btree!rfarris From: rfarris@btree.uucp (rick farris) Newsgroups: sci.electronics Subject: Re: WHat are those holes for? Summary: There's at least three reasons Message-ID: <303@btree.uucp> Date: 19 Jul 88 05:14:22 GMT References: <10790@oberon.USC.EDU> <327@richp1.UUCP> Reply-To: rfarris@btree.UCSD.EDU (rick farris) Organization: NO! Lines: 7 :[Why do standard electrical plugs have holes in the metal prongs? : :That's a good question! Along the same line, why is the ground prong :round instead of flat like the other two? : Yes, and why the heck are manholes round?