EMT Conduit Bending: 4 Point Saddle, Edge of Obstruction Method
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- เผยแพร่เมื่อ 20 ต.ค. 2024
- Holmz Law's
4 Point Saddle - Edge of Obstruction Method
In this video I'll teach you step by step how to accurately bend a 4 point saddle. The method used is called in the trade the edge of obstruction method. Reason being is because you measure from the end of the conduit to the edge of the obstruction you are trying to bend over. I must say that before you watch this video you should at least know how to bend an offset and know the multipliers of offsets and also know how to calculate shrink. If you don't already know how to then I advise you to watch my video on how to bend an offset or any video for that matter on the subject. I will put the multipliers in this description and shrink as well in case you need a reminder. Please like, share and subscribe. Thank you.
Offset Multipliers & Shrink
10 Degree= 5.67 Shrink= 1/16
22.5 Degree= 2.6 Shrink= 3/16 Inch
30 Degree= 2 Shrink= 1/4 Inch
45 Degree=1.414 Shrink= 3/8 inch
60 Degree= 1.15 Shrink= 1/2 inch
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I have to say your videos on bending pipe are the absolute best!!! Clearly explained, and the tutorial is great! Thank you so much for making these amazing videos!!! They really help us new commercial electricians!
Seriously? I always feel like i didn't explain it enough. I always try to explain it and break it down as if I'm speaking to a day one apprentice.
Anyhow, thank you very much. It's very well appreciated.
Don't forget to be organized, always plan your runs, and keep a steady pace. Rushing never helps, even if your boss is screaming in your ear.
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Nah bro your vids are great. As an electrician I already know how to do most of the things that I see in your videos, such as a 4 point saddle, but you always explain little extra details that make it easier, such as your advice on bend order and bending direction. Thanks for doing what you do.
Dude I'm getting some crispy bends from your videos thanks again
lol... wow thanks ...but it's not me dude. Give yourself the credit for wanting to learn.
Thanks brotha for the video it really helped I actually did a 4 point saddle yesterday thanks for help
haven't seen it done that way before....awesome
Can you use the push-through method with the arrow while using these measurements? Your other video with 4 point saddle push-through method had a lot more steps and seemed confusing. I appreciate your knowledge and time to show us all these videos. Thank you Mel!
One of the most detailed explanation on the tube,,, but at 4:15 you mentioned having your back turned towards a & b when it should be your front,,,then you kinda clarified it after... just a note but bro you just brought back the shine out my rust lol ,, I bin rusty that's why
Thank yiu for pointing that out. I am aware of that. I periodically look through my videos to check for any mistakes and i update them. I dont delete them but i do update them. Im aware of that error i do clarify it but even still i will update this when ever possible. Thank you very much. I would appreciate it very much if you would sub and hit that 👍. Also if you could share the channel with your friends. I just added a new playlist of multiple bends on a single conduit with PUSH-THRU bending. You might enjoy it. Check it out. Link below-
th-cam.com/video/l8xZG5MbIUA/w-d-xo.html
th-cam.com/video/xoq-1e1byE8/w-d-xo.html
You are a Crack !!!
Thanks Holmz
Great info thanks. I do have a 2 part question tho. If you have a box offset from where you initially measured or on both ends, do you bend that first or after? And if you do bend the box offset/offsets first, does this change the direction the bender faces on the other bends or do you still do it as you you explained in the video. Thanks
Honestly, you can do it how ever you like. But ive noticed that if you do the box set last after your offset you can end up taking out some of the bends on your offset if you are not careful. I try to do my box sets first. But in order to do that sometimes not all the times you need to know exactly how much conduit you're going to need so that you can cut it then bend your boxsets. I have a video explaining shrink and gain to figure total length if you're interested. Now, for you're 2nd ❓ Box sets won't change how you have to bend your offsets at all. You just have to pay attention to the orientation of the boxset and offset to make sure they are both in the direction you need them to be. Hope this helps.
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grasias por poner subtitulos una gran enseñasa nos da personas latinas tenemos poco acceso a este tipo de informacion
no hablo espanol muy bien y lo escribo peor. Pero tampoco se cuanto ven los videos que son latino. Si teniva muchos latinos pudria tratar de acer un canel en espanol. Gracias por el mensaje.
Sume un voto más de un latino para videos en español y en centímetros. Gracias
Do you still have to add the shrink to end of obstruction if your bending on center of bends. Not at the arrow benchmark?
Yes the conduit is still going to shrink no matter what. Bending on center is just so you can bend more precisely in the field when you need to. Conduit will still shrink though. Hope this helps.
Hello.
Quick question. When you are making a 4 point saddle, why is it that you apply shrink on point A only. If you are making 4 bends, dont you think you should apply shrink to all 4 bends?
Look at this way. Only one offset is headed towards the obstruction so you're trying add the shrink for the first offset. The second offset is passing the obstruction so it don't matter. But that's a great question
Do you use this method with 1” conduit too?
@@Cowboyfromda44 it's the same
B for “back” and C for “see”
Thanks for sharing that with us.
When having the level on point C bend. Do you look at the 45 bubble??
Yes cause it's like starting a new offset.
Hey friend do you only use the center of the bend marks for parallel offsets and maybe parallel kicks?
You used a multiplier for a 45 deg which is 1.4 and the rise dimension of the obstruction which is 5. When multiplied that equals 7 for the spacing between bends. Where is the 7 1/8" coming from? The shrink calculation of obstruction 5" by the 45 degree 3/8" rule is 1 7/8... just dont know what I missed with the spacing calculation... can you expand on this. I know this is an older video. Just watching for the first time
It's no big deal. I use multiplier of 1.414 but it's the same . As you can see it's only an 1/8" difference which is not going to make any difference at all.
How did you come up with 7and a 8th for mark/bend B??
The 7-1/8" is my spacing between bends for my 2 offsets. I got that by multiplying the height of my obstruction also the height of my offset. Multiplying it by my 45 ° multiplier which is 1.414 so in other words
5x1.414= 7.07 = 7-1/8 or 7. That's mark B & D. Hope that helps
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Hey I started watching some of your videos. Question, can you do a 4 bend saddle all on the ground?
Yes there are people that do , do it that way. I dont it sometimes when im in a rush but i dont like to because sometimes you have to go back and make adjustments. But yes it can be done. There's a certain way of doing it.
Doing it on the ground can cause you to lose some of your bend
Is it possible to bend a 3 point saddle on the ground as well??
Yes . But why would you. You could probably do it off a stair case. .
@@TheArtOfConduitBending i like bending on the ground using my level cause it makes sure I don't dog leg my conduit. I usually dog leg my pipe when I do it in the air.
@@pfunk500 hey listen I still struggle with lining up even my offsets if I don't do either of these 2 tricks I'm about to teach you. One of them I have a video of which is placing a mark on the center of the pipe so you know where your center is when flipping your conduit. Watch the video it's called something like stop dogging your conduit by holmzlaw. Second trick is very similar but I think helps a lot more and I haven't yet made a video of it. Grab a 4x4 square 1900 box place a emt connector in any of the center KOs. Now install the box onto the conduit that your bending. What this does is act like a level that you get to see better when you place the conduit with the box attached to it, it helps you see whether or not your conduit is straight or not in reference to your bends. Hope this helps and that you understand what I explained just now. I'll try to come up with a video of the process soon.
@@TheArtOfConduitBending Wow!.Thats so cool!.Can't wait to see that video!
How did you get the spacing which is 7 1/8 thanks .
My rise was 5 inches and the degree of bend i chose was 45°. So my multiplier is 1.414 for 45° bends which = 7-1/8 " spacing between bends.
Holmz Law o I see thank you so much , god bless
Holmz Law 1.141x=5.705 ?
Holmz Law 1.145x5= 5.705 ?
@@TheJugster1 wrong its.
5X1.414= 7.07 which is 7 or 7-1/8 which ever is fine.
Love your videos! How did you get your measurement from point A to B and point C to D?
The measurement came from using the multiplier for a 45 degree offset (1.414) times the height of the obstruction (5 inches). It’s roughly 7 and an eighth
@@GhostKnotes Awesome thank you for that info!
when you find the shrinkage do you find if from both sides or one side only
Depends are you trying to find total shrinkage or just the shrinkage to properly place the obstruction?
Ive never done the shrinkage sometimes it works sometimes not
At what degree did you bend B & D?
Sorry it took me so long to get back to you. anyhow i forgot what degree i used in the video. but doesn't matter because whatever i used for a & c should be used for all the bends. You bend them all to the same degree. Hope this helps
I’d like a corner bend over a round object or square object.
You mean a compound 90? A 2 bend 90? You obviously dont mean a corner offset right.
Idk if this is what your talking about. This is the link on compound 90's with round obstructions i also give you the formula for square and rectangle hope this helps.
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Imma check it out and let you know.
Here is the link for the compound 90
th-cam.com/video/s9nY6HdMsKw/w-d-xo.html
That’s it!!! Good looks bro.
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At what degree did you bend B&D?
They are all they same degree. I can't remember but I believe I used 45°.