Subscriber Discussion

Junction Box On Ibeam? Or Recommendations

UI
Undisclosed Integrator #1
Sep 01, 2016

Anyone have any ideas on mounting a camera and/or a junction box on an ibeam? This is in a warehouse with very tall ceilings. There are existing UTP wires run without conduits and currently just zip-tied to an ibeam clamp, trying to make use of these wires by just adding a junction box and connecting the junction box to the ibeam but can't find any way to do so. 

 

Any other ideas or recommendations would be very helpful. 

PS. I should have taken pictures while on-site, but I don't have any. 

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Brian Rhodes
Sep 01, 2016
IPVMU Certified

Caddy Fastener M58S

Use 1 per box. Way, way more solid than zip ties.

(1)
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Ethan Ace
Sep 01, 2016

The only reason I don't like those things is because they're a pain to get off. We always used beam clamps (Erico BC200/400 below) instead since they were more easily relocatable. If that's not an issue, the M58S is cheaper for sure.

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UI
Undisclosed Integrator #1
Sep 01, 2016

Thanks Brian and Ethan, I must be missing something. In all the images I find relating to these products they appear to be suited for threaded rods, how would I connect this to an electrical junction box, or even better if I can just screw in the camera junction box. Here is an image of my Dahua PFA137 Juction box that I'd like to use.

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Ethan Ace
Sep 01, 2016

The beam clamp I posted has a 1/4-20 thread on it, so you can run a screw through the box into the clamp. Brian's hammer on model has a threaded post, so you'd just put that through the hole of a box, and use a nut to fasten it. 1/4-20 usually works fine in standard junction boxes.

That being said, not sure what size holes are in the Dahua backbox there. I've seen some real small ones in camera backboxes during our tests, which make mounting a giant pain. Your options then are either to enlarge the existing mounting holes on the box or drill new ones.

Or, if you use a beam clamp, you could get a long screw that fits (I've seen some take only 1/8" screws) and extend it all the way through the beam clamp and fasten it with a nut.

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Jon Dillabaugh
Sep 01, 2016
Pro Focus LLC

What we always do is drill out the holes in the backbox (junction box, jbox, etc) to accommodate the 1/4-20 bolts and bolt the backbox to the style of beam clamps Ethan showed above. The bang ons that Brian showed are OK for bridal rings or J-hooks, but I wouldn't trust them to hold the weight of a camera.

We have also used self tapping screws as well. It can take longer if using run of the mill home improvement grade screws. We buy better ones at a local hardware distributor.

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