X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from vms173001pub.verizon.net ([206.46.173.1] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6602042 for lml@lancaironline.net; Sat, 16 Nov 2013 10:16:16 -0500 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.1; envelope-from=N4ZQ@VERIZON.NET Received: from new-host-2.home ([unknown] [96.252.63.77]) by vms173001.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0MWD009E53Q20HC0@vms173001.mailsrvcs.net> for lml@lancaironline.net; Sat, 16 Nov 2013 09:15:39 -0600 (CST) Content-type: text/plain; charset=us-ascii MIME-version: 1.0 (Apple Message framework v1085) Subject: Re: Surge protection From: "Greenbacks, UnLtd." In-reply-to: Date: Sat, 16 Nov 2013 10:15:37 -0500 Content-transfer-encoding: quoted-printable Message-id: <8EF1F8A9-8F37-46DC-B7BC-BEF1B0311453@VERIZON.NET> References: To: "Lancair Mailing List" X-Mailer: Apple Mail (2.1085) So what would be the best solution to protect our gear relays? Bi-Directional Zener Transient Voltage Suppressors 18V 600W (for 14.5V = systems) like that from Perihelion Design, or a metal oxide varistor? Angier Ames N4ZQ=