[SML] Question about Safe Working Loads
Bill Conner
billconnerastc at gmail.com
Fri Apr 24 18:27:34 UTC 2015
> Many of our fixtures ship with a C-clamp (7060A2009) to mount the fixture in
> the normal theatrical manner from a length of Schedule 40 1.5" ID (2" OD)
> pipe. We are occasionally asked about the load rating of this clamp.
> There is no load rating for this part as an individual assembly. It is sold
> as part of the top-level Source Four fixture assembly or as a Source Four
> fixture accessory. It has been tested by UL as a safe hanging device for a
> Source Four and is covered in our UL 1573 rating for stage and studio
> lighting fixtures. In other words, UL says it is a safe way to hang a
> Source Four, but it is not independently-rated and is not sold as a
> rigging/load-bearing device for any other purpose. "
Exactly why we specify load rated MegaClamps instead the fixture
manufacturers' standard cast iron.
--
Bill Conner Fellow of the ASTC
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