Article View: sci.electronics
Article #19466Re: WHat are those holes for?
From: Dave Kinsell
Date: Sun, 17 Jul 1988 18:39
Date: Sun, 17 Jul 1988 18:39
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>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.
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Path: arc1-ca.pugleaf.net!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