https://www.controlbooth.com/threads/why-pipe-for-battens.22761/I got to thinking, "Why are lights always hung from round pipes ... ?"
https://www.controlbooth.com/threads/fixture-attachment-unistrut.24030/" ...and not unistrut?"
@Van I'm recalling several in my area; Electro Controls being the first that comes to mind.
EDIT: I see that the fixture in one of your photos is an Electro Controls. Do not confuse standard C-channel strut hardware with the Electro Controls'-specific "channel mount". They are similar, but incompatible. See the thread: Electro Controls "Channel Mount" connector strips .
@JD Agreeing with you and adding. If you pass the appropriate length 1/2 - 13 Hex bolt through the fixture's yoke at ground level and start your strut nut on the bolt's exposed threads, it's often appreciably easier to deal with at the top of the ladder than having to try to engage the threads while holding the lamp over your head with one hand and trying to start the threads with the other. Not as quick and easy as a C-clamp but often easier in comparison. Also, the length of the 1/2-13 bolt is somewhat critical, if it's too long it can bottom out in the channel prior to the yoke being tightly clamped but then this can happen with a C-clamp as well.When you are on top of an A frame, trying to hang a fixture, I would much rather slip a c-clamp over a pipe and tighten down the screw than try to balance the fixture as I try to thread a screw through a hole and into a "hopefully" spring held nut that may or may not be solidly clicked into it's channel. There are low-ceiling locations where uni-strut makes sense, but not my choice at any distance up.
@AudJ If you have two, or more, fixtures fairly close to each other, you can always safety them to each other for redundancy. It's less than ideal but a start. If / when going with separate eye-bolts for safeties, be sure you're employing rated eye-bolts, possibly forged, shouldered, rated eye-bolts.Side related question - how do you safety-cable a fixture hanging on flush unistrut? Do you need another unistrut nut? Special cable prerhaps?
see attached for more hanger options
I got to thinking, "Why are lights always hung from round pipes and not unistrut?"
It seems like that would be ideal - easy and inexpensive to mount and move and the lights can be closer to ceiling.
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