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Re: [TowerTalk] UL listed protector for ladder line

To: "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] UL listed protector for ladder line
From: Paul Christensen <pbc.law@outlook.com>
Date: Fri, 13 Jun 2025 16:28:29 +0000
List-post: <mailto:towertalk@contesting.com>
>"This is all good stuff, BUT, if he's looking for regulatory compliance, he'd 
>have to get his relay box signed off by someone (either a test lab, or in some 
>jurisdictions, a Professional Engineer)."

I indicated that a suppressor could still be used with vacuum relays -- to your 
point, if required to satisfy a code provision.  Nothing should prevent the use 
of vacuum relays together with a UL suppressor if the vacuum relays are 
positioned on the ladder line, away from the regulated premises.

Paul, W9AC

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