[RFI] Green Wire RFI

Hare, Ed, W1RFI w1rfi at arrl.org
Sun Nov 15 17:51:58 EST 2020

My propane water heater has a design that can vent to a PVC chimney. It has a blower motor that pumps room air into the exhaust to cool it. Naturally, it has an electrical connection.

From: RFI <rfi-bounces+w1rfi=arrl.org at contesting.com> on behalf of Michael Germino <ad6aa at sbcglobal.net>
Sent: Sunday, November 15, 2020 12:43 PM
To: Wes Stewart <n7ws at yahoo.com>; Wes Stewart via RFI <rfi at contesting.com>; RFI <rfi at contesting.com>
Subject: Re: [RFI] Green Wire RFI

Why would your "gas water heater" be connected to the house power?
You made me recheck mine.  It appears to have a battery in the controller.

Mike73, AD6AA

    On Friday, November 13, 2020, 5:48:53 PM MST, K9MA <k9ma at sdellington.us> wrote:

 While I generally agree that the green (ground) wire should go through the CM choke, here’s an exception: My gas water heater was shutting down whenever I was on 160. It has a grounding cord, but the ground is totally redundant because the tank is tied into the copper plumbing. (That would not be the case with non-metallic plumbing.) I made a choke with a two-wire extension cord, and left the green wire open. No more cold showers.

Scott K9MA


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