Return-Path: Received: (qmail 5371 invoked from network); 2 Jun 2003 15:32:10 -0000 Content-Transfer-Encoding: 8bit Received: from murphys.services.quay.plus.net (212.159.14.225) by mailstore with SMTP; 2 Jun 2003 15:32:10 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 5974 invoked from network); 2 Jun 2003 15:32:07 -0000 Received: from post.thorcom.com (193.82.116.70) by murphys.services.quay.plus.net with SMTP; 2 Jun 2003 15:32:07 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.14) id 19MrHP-0004ow-7B for rsgb_lf_group-outgoing@blacksheep.org; Mon, 02 Jun 2003 16:31:23 +0100 Received: from [209.226.175.54] (helo=tomts10-srv.bellnexxia.net) by post.thorcom.com with esmtp (Exim 4.14) id 19MrHK-0004on-DG for rsgb_lf_group@blacksheep.org; Mon, 02 Jun 2003 16:31:18 +0100 Received: from lsk.sympatico.ca ([216.208.85.122]) by tomts10-srv.bellnexxia.net (InterMail vM.5.01.05.32 201-253-122-126-132-20030307) with ESMTP id <20030602153116.HGYT9695.tomts10-srv.bellnexxia.net@lsk.sympatico.ca> for ; Mon, 2 Jun 2003 11:31:16 -0400 Message-ID: <5.2.0.9.0.20030602112216.02a65410@pop2.sympatico.ca> X-Sender: b1aemm59@pop2.sympatico.ca (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Mon, 02 Jun 2003 11:27:19 -0400 To: rsgb_lf_group@blacksheep.org From: "Larry Kayser" In-reply-to: References: MIME-Version: 1.0 Subject: Re: LF: Well, well, well . . . Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Status: No, hits=-9.9 required=5.0tests=IN_REP_TO,REFERENCESversion=2.53 X-Spam-Checker-Version: SpamAssassin 2.53 (1.174.2.15-2003-03-30-exp) X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rsgb_lf_group-outgoing@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false At 10:29 2003-06-02, Steve Dove wrote..... Typically wells make for less impressive grounds than one might initially think. Firstly, the >metal casing doesn't go all the way down, usually only as far as it takes >to hit reasonably >solid rock that will hold a bore; even then perhaps only the top length >(20 feet) will be >metal, the rest plastic. The metal is usually untreated steel, which >protects itself with a >layer of rust; makes for a lousy electrical dirt/pipe interface. and in Canada most provincial electrical codes REQUIRE the well casing be bonded to the common electrical ground as there can occasionally be a rather large electrical charge built up on the often well insulated from ground steel well pipe casing. Larry VA3LK