Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!nosc!ucsd!ucsdhub!hp-sdd!hplabs!hpda!hp-sde!hpfcdc!hpfclm!kinsell
From: kinsell@hpfclm.HP.COM (Dave Kinsell)
Newsgroups: sci.electronics
Subject: Re: WHat are those holes for?
Message-ID: <1320002@hpfclm.HP.COM>
Date: 17 Jul 88 18:39:18 GMT
References: <10790@oberon.USC.EDU>
Organization: Hewlett Packard -- Fort Collins, CO
Lines: 5

>I'm sure this is below the level of most of the people in this group,
>but...
>
>Why do standard electrical plugs have holes in the metal prongs?
 
    Those are drain holes for the mercury.