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381. [TowerTalk] NRTL listing Re: lightning arrester suggestions (score: 1)
Author: "Jim Lux" <jim@luxfamily.com>
Date: Mon, 15 Dec 2025 18:51:47 -0500
Most of the time the requirement is for listing by a "Nationally Recognized Testing Laboratory" of which UL is but one.  For instance Los Angeles county requires that any electrical equipment sold be
/archives//html/Towertalk/2025-12/msg00042.html (10,668 bytes)

382. Re: [TowerTalk] lightning arrester suggesstions (score: 1)
Author: "Jim Lux" <jim@luxfamily.com>
Date: Mon, 15 Dec 2025 18:54:39 -0500
Excellent..  How did you find that page?  I searched "497" on their site and got just fiber optics.   They have a page dedicated to them, but the associated PDF is probably easier to work with: https
/archives//html/Towertalk/2025-12/msg00043.html (9,986 bytes)

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