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Old 05-22-2020, 10:25 AM   #1
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Default PVC single hole strap

Does it exist? I have always used 2 hole straps which allow some movement but I came across this picture online. Drilling one hole would be great.
Has anyone seen these? What are they called?
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Old 05-22-2020, 10:30 AM   #2
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Those are sold under the brand name "Sure To Fail In The Near Future".
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Old 05-22-2020, 10:33 AM   #3
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Used for plumber’s pipe. I doubt if it’s Sched. 40.
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Old 05-22-2020, 10:37 AM   #4
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Quote:
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Used for plumber’s pipe. I doubt if it’s Sched. 40.
Yeah I thought it was a pex strap but wasnt sure.
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Old 05-22-2020, 10:43 AM   #5
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Arlington makes them for EMT and I think RMC, I am not sure about PVC. PVC fittings need to let the pipe move.

Anyway, they suck, very flimsy, I wanted them to work but they don't.

These also suck

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Old 05-22-2020, 11:30 AM   #6
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http://www.aifittings.com/catalog/ri...hangers/NM2015

I have been told that they break down quickly in sunlight. They have spring tension on them at all times so I could imagine them just snapping when they get brittle.

They are nice because you can install them all first, then come and snap the pipe in easily.
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Old 05-22-2020, 11:31 AM   #7
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The one in the picture with the C fitting is different than the Arlington brand one I think. It's the one that has a lap over hook to hold the pipe and that fails with ten to twelve hours of direct sunlight (exageration). I see them fairly often, crumbling and the conduit falls right out of them.


Steel city makes a great one hole pvc strap. They call them emt straps (one size larger than the conduit).
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Old 05-22-2020, 11:49 AM   #8
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Quote:
Originally Posted by macmikeman View Post
Steel city makes a great one hole pvc strap. They call them emt straps (one size larger than the conduit).
I have bought straps marked for "heavywall" conduit which will fit PVC or RMC snugly, but then you're back to, you don't want PVC straps snug.

I am not sure if going up a size for a loose fit with an EMT one hole strap is NEC compliant. I do not think NEC requires conduit straps to be listed. But, there might be an issue that if you use a listed device, you must use it according to it's listing. So you can't bastardize a listed EMT strap for PVC, but you could bastardize a non-listed piece of hardware.

I have used these for rigid and EMT, Bridgeport Universal Strap



They are just ugly to me but they are one hole quick, solid and sturdy, and listed for EMT, RMC, RNC, IMT, and I think BBQ.
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Old 05-22-2020, 11:58 AM   #9
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I sent a request to Carlon to make a stackable backer plate for PVC 2-hole straps. Basically it would be a 1/4" thick piece of plastic in a oval type shape with screw holes that line up with the holes on the corresponding 2-hole strap. The backer plates could have a tit and matching hole on the other side to keep them stacked nicely. You would simply put them behind the pipe, using as many as you need to build out to the pipe, then put the strap over the top of the pipe like normal and screw it in.

They never replied. They are probably patenting my idea now
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Old 05-22-2020, 12:59 PM   #10
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Quote:
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Does it exist? I have always used 2 hole straps which allow some movement but I came across this picture online. Drilling one hole would be great.
Has anyone seen these? What are they called?
They're know as clic clamps around here(I believe Clic is the original brand) They do tend to get brittle in sunlight (like the pipe itself) but they are widely used in my area, particularly indoors for AG or food storage/processing.


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Old 05-22-2020, 01:09 PM   #11
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We use them by the hundreds in livestock barns. http://www.aifittings.com/catalog/ri...hangers/NM2015
We have an apprentice go down a row and put cliks in every 3 feet or so and come back and snap the conduit in later. Very fast.
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Old 05-22-2020, 01:26 PM   #12
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Might work indoors where sunlight isn’t a concern and temperature is relatively steady.

Do they make one for EMT, kind of like a beam clamp only you screw it to the wall? It would make it easier for one man pipe hanging. Never really thought about it. I have used the one with the screw but haven’t seen one with a latch.

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Old 05-22-2020, 01:51 PM   #13
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Quote:
Originally Posted by 99cents View Post
Might work indoors where sunlight isn’t a concern and temperature is relatively steady.

Do they make one for EMT, kind of like a beam clamp only you screw it to the wall? It would make it easier for one man pipe hanging. Never really thought about it. I have used the one with the screw but haven’t seen one with a latch.
Caddy makes these for EMT, they are quick and pretty secure.

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Old 05-22-2020, 01:56 PM   #14
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Quote:
Originally Posted by splatz View Post
Caddy makes these for EMT, they are quick and pretty secure.

Do you have a part number handy, splatz?
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Old 05-22-2020, 01:59 PM   #15
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Quote:
Originally Posted by 99cents View Post
Might work indoors where sunlight isn’t a concern and temperature is relatively steady.

Do they make one for EMT, kind of like a beam clamp only you screw it to the wall? It would make it easier for one man pipe hanging. Never really thought about it. I have used the one with the screw but haven’t seen one with a latch.
The ones I linked to are also rated for metallic pipe including rigid and EMT.

www.aimedia.co/media/spec-sheets/QUICKLATCH.pdf
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Old 05-22-2020, 02:03 PM   #16
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Quote:
Originally Posted by 99cents View Post
Do you have a part number handy, splatz?
This may come out a mess, but the PDF attached has the info

8P4I
1/2" 0.709" – 0.866" 1/4" Threaded 25 lb 15 lb

8P
1/2" 0.709" – 0.866" 9/32" Plain 25 lb 15 lb

12P 3/4" 0.866" – 1.181" 9/32" Plain 25 lb 15 lb

12P4I
3/4" 0.866" Min, 1.181" Max, 0.752" Nom 1/4" Threaded 25 lb 15 lb

16P
1" 1.181" – 1.378" 9/32" Plain 25 lb 15 lb

16P4I
1"1.181" Min, 1.378" Max, 1.000" Nom 1/4"Threaded25 lb15 lb
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File Type: pdf Caddy Push In Conduit Clamp.pdf (323.1 KB, 8 views)
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Old 05-22-2020, 02:04 PM   #17
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Quote:
Originally Posted by 99cents View Post
Might work indoors where sunlight isn’t a concern and temperature is relatively steady.

Do they make one for EMT, kind of like a beam clamp only you screw it to the wall? It would make it easier for one man pipe hanging. Never really thought about it. I have used the one with the screw but haven’t seen one with a latch.
It really has nothing to do with the temperature. If you want PVC to look nice you need to support at least every three feet and use plenty of expansion joints. It just doesn't matter that much what fastener you use to hold it in place.

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Old 05-22-2020, 02:11 PM   #18
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Caddy push in conduit clamp. We use the hell out of them. They also make them with an offset for running under a roof. It keeps the conduit down the 1-1/4” needed. They make a matching offset for mounting the box, so no box set. They are tough getting the conduit out of though
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PVC single hole strap-abea6e97-d50d-429c-a213-0896f570b916.jpg   PVC single hole strap-5bc65ff5-f7a7-4bb8-b856-7a8c9c017b2b.jpg  
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Old 05-22-2020, 02:12 PM   #19
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Quote:
Originally Posted by joab View Post
It really has nothing to do with the temperature. If you want PVC to look nice you need to support at least every three feet and use plenty of expansion joints. It just doesn't matter that much what fastener you use to hold it in place.

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I was just thinking that there is little expansion and contraction in a temperature controlled environment.
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Old 05-22-2020, 02:28 PM   #20
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I also like the Arlington Click-it’s. With PVC or EMT.
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