Electrical Wire Connector Pullout Force Tests! Wago, Ideal, Contractor's Choice
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- Опубликовано: 25 сен 2021
- How good is the clamping / pullout force for Wago 221 & 222 lever nuts, Ideal In-Sure Push-In electrical wire connectors, and Contractor's Choice push-in connectors from Home Depot? Find out in this wire pullout testing video! I'll be testing solid copper wire and stranded. Enjoy the video! Be sure to share. Thank you
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Terrific work! I learn so much on this channel!
Great to hear and thank you! I'm looking forward to your latest video!
Gonna tell my kids this guys are ASTM and NIST.
Dang... That's a lot coming from you boss!
The legend himself. Project Farm!
Love ur show
The Wago 221's are gtg for permanent use. They are UL listed to 600v at 20 amps and 85c temperatures, they meet every spec a wire nut does. If you have something pulling on wires and exposing conductors you have either a flying spice or no wire clamp on the box, both of these scenarios are already hazardous and not allowed. I remember when the push in style connectors started coming around and everyone scoffed, now they are ubiquitous. The cost premium is easily made up in labor savings, you can terminate many more of these per hour. I dont know if you have ever had an already short wire break off in the box because someone twisted the wire too much but these eliminate that problem. I use the lever Wagos a lot in field connections in industrial automation. These things are absolutely fantastic.
Through my new construction, service work and shutdowns experience the only wires I've had break off were scored solid conductors. That said I've all seen alot a shitty terminations with stranded wire aswell but when it comes down to it all connectors are good when done right. I've definitely seen more good then bad. Except in residential when you know it's was a homeowner handiwork.
@@thomasseabrook1041 thats a good point, "are good when done right" the thing is wagos are almost impossible to do wrong
which is far from the case with wire-nuts.
Not everything is permanent install domestic wiring done to code. Maybe I'm doing a hobby thing where I need to hook up LV wires in the field, and maybe I just want to know how much tugging it will take before it pulls out. Useful info is useful info.
Requires a significant amount of pull out force for the wire to be pulled out so your video proves the critics are wrong.
Amazing that these have been used for eons in Europe, and yet only have now seem to become trendy in North American.
Great video as always!
Thanks for watching Rich!
Sad that they brought them over here. They are de-rated to 20 amp by UL, but these are still not a very good connector. Easy, absolutely and if that's all you care about, I don't know what to say, you probably think easier is better.
Right out of the box, brand new Wago 221s have about 15 times the resistance of a wire nut. Sometimes even more!!
@@professorg8383 good point. I use wire nuts myself as the direct copper-copper connection is the best one can get without having a continuous line.
I am surprised they their resistance is quite high … still I suppose a wire nut has basically no resistance (as it is not part of the circuit rather binds two wires together) still they can’t be too bad can they?
@@RichardT2112 From my testing, indeed wire nuts demonstrated only very slightly more resistance than solid wire. A few other guys who have done tests have had similar results. This guy has a test video on an electrical analysis, but I don't think his voltage drop readings were correct. I think he was picking up noise on his meter which wasn't what I would call top quality. But in the test he did, he did not pre-twist which I believe to be the best way, even though a few manufacturers now say it isn't required.
In his test the wire nut still performed the best and the Wago 221 the worst. I think Wagos are probably fine for low current applications and when you need to join solid and stranded together like in a light fixture. It can be done OK with wire nuts, but it takes some effort to do right. What even good trained electricians, sometimes forget and most "installer self proclaimed electricians", don't even know, is that to calculate the heat/energy dissipated in a connection, is the current squared times the resistance. Double the current through a connector and the heat dissipate is 4 times as much! The exponential function of current means that high resistance is a significant problem at higher currents.
The trouble is that the installers love wagos because they are so easy and you can't convince them that easier isn't necessarily better. I've had this debate before and have been accused of being an old dinosaur who rejects new ways of doing things. But a lot of these guys are idiots who might barely understand basic Ohm's law. When I mention "I squared R" to them they have no clue what I'm talking about.
I'm an electrical engineer and I have tons of hands on experience too. you can't convince me that two dissimilar metals, consisting of a little copper bus and a tiny flat steel spring, is going to provide a good connection. If you look at the very tiny contact area, I'd be surprised if the total contact area is even equal to the wire cross section!
I have little doubt that over time, at full load currents the heat and cool cycles will eventually anneal and weaken the spring tension, which isn't much to start with. And if the spring weakens, the resistance will only get higher. This may not be a fire risk and might just fail open of or very high resistance, but I wouldn't trust them.
What a practical test, now i know i need to use the push-in wagos when i hang my chandelier directly from the wagos just as the product was intended to be used.
It was good to see wire damage after failure. It would have also been interesting to see which connectors are still reusable after the test, and if so whether or not their pullout performance had decreased. If the Contractor's Choice product is destroyed by a single test, but the Wago products are undamaged and still perform well after multiple test cycles, that would be worth knowing
At the end of the day though, if the pullout capability of a connector is much more than is needed to prevent unintentional release of wires when pulling a receptacle/switch out for replacement, that's good enough for me. I'm much more interested in long term connector reliability (e.g., corrosion resistance for oceanfront property, etc.).
Wow. Impressive holding power on those push-to-connects. The lever locks were pretty much as I expected, given their internal construction.
Push-ins are great connectors.
👍! Also 👍 for the simple but effective test device you conjured up.
Great "Part Two" to your first video on wire nuts. Very informative!
Thanks!
I applaud the follow up video. I think the in normal operation 22 lbs should be more then enough holding force. If you have more then 20 lbs pulling on a wire I think a staple or other fastener is warrented to take the pressure off.
Small nit-pick the lever nuts call for 11mn of insulation stripped. Not sure what if any difference 12mm makes.
If stripping the wire needs to be that exact, being one mm off, then the design is heavily flawed because no one's going to cut the wire exactly 11 mm every time.
Nicely done! Another great video as always.
Excellent testing as usual eNm! Always enjoy watching your videos! 👍👍
Glad you like them Steve!
Excellent addition to your previous video. That was a surprising outcome.
Glad you liked it!
Glad you retested using this method. Very helpful and informative. Thanks.
You're welcome!
The nice thing about lever nuts is that they work very well with strand /solid connections such as lights or fans that will connect to #14 solid to a #18 or #20 strand wire. Faster and easier than wrapping strand around solid wire or bending a solid over a strand be fore using a standard wire twist on wire nut
Because lights or fans are replaced frequently, lever nuts would be very good.
All these push in and lever connectors use a spring with a tang to press the wire against a bus bar. But the end of the tang serves as a barb that makes it much harder to pull out. And for the most part it’s part of the wire breaking off where enough force will result in the wire coming out.
At least with the push in connectors, the typical recommendation for removal of solid wires is to twist back and forth while pulling out.
Great unbiased reviews!!!
Glad you enjoy them!
Solid Review.Thanks Electric 🚹
Excellent test setup!
Glad you liked it! Now I need to think of other uses for the testing jig.
Very interesting test.
Thanks.
Glad you liked it! Please share the video link.
The first time I did a tug test on the wago 222 I pulled it out so i have never really used them since, but I never had a issue with the wago 773 series pushin connector the last commercial company I worked for loved them but they did residential highrise and time was money and speed over quality( they weren't horrible, paid well, good benefits and had alot of good electricians just alot of them were young and only tought curtain things). The industrial companies I have worked for carried both and QC didn't care as long as it passed their inspection so it was up to you to grab what you wanted. After your video about temperature and voltage drop I use wago for low current applications and wire nuts for anything with many splices and high current.
Wirenuts are the way to go.
I prefer wire nuts and push-in connectors.
Great info. Thanks!
Glad you liked it! Please share. Thanks
Excellent video.....good information. You should put some shock absorbing foam on the rod and block so you can reduce the chances of damaging your scale
I though of that during the test. :-) Luckily it survived. I'll add some for future testing. Glad you liked it, and thanks for watching!
Good work thank you !
Glad you enjoyed the video! Be sure to share.
This is awesome! thank you
Glad you liked it! Please share. Thank you
Sick vid
Thank you
You're welcome! Be sure to share so helpful videos like this are worthwhile to make. Thank you
Cool video, I wonder if the 221 would be better at 6mm2 or 10awg which is the max size, hard to beat at 450v 41A, but yes they are designed for quick access, and like most connectors not designed to swing off LOL
the 221's are also not rated as maint free, but having a handy wire measurement guide on side. I do like the ideal insure's to
Just note that the rating you gave is the IEC rating, not the UL/NEC rating which is 20amp.
Wonder how standard wire nuts would fare in this test. You know, for all of those seasoned electricians who think these connectors are junk
v nice jig & testing
Thanks Will! Glad you liked the video. Please share.
Why did you not do the wire nut on this test?
No reason to. With a wire nut, both conductors are twisted together, with the lever and push in connectors, the connector does the joining. :-)
Because the wire itself would probably fail before the wire nut.
@@electronicsNmore but couldn't the twist itself become loose? This test felt incomplete compared to your previous video with the wire nut
How about a properly twisted set of wires with a wire nut?
Thanks. Lots of variables in there, maybe use a motor for Pulling..
New to your channel, and Subscribed...
Quick Question ?
Couldn't you Twist 2 leads together ? Like you normally would, in the field ?
And just for kicks and giggles, to see how two wires, in a wire nut would do ?
Loop the 2 into a eyehook, and solder the end you would hook up to weight scale...
It would be interesting to know the result...🙏😎🇺🇸
I can guarantee that his scale was not big enough. Not even close! But I care more about the fact that the brand new Wago connector has 15 times the resistance of a wire nut! And yeah, I know, they are sooo much easier who cares about about how good the connection is!!! Only guys like engineers who are concerned about shit like that.
How many electronic scales did you destroy from snap back impact on the metal lever rod?
Zero!
Are there any push in connectors out there that allow you to remove the wire? Maybe a hole you insert a paper clip into to release the clamp?
I'm sure there are, but the type I use don't have a release.
Twist the connector back and forth as you pull, should work with any of them
Nicely done! Thanks.
I mentioned on the previous video that lever type Wago's were great for temporary use. Now this test shows that the wiring needs to be protected from accidental pulls to keep the exposed conductors from shocking someone.
I can't see spending 6x the cost of a wire nut, or 2-3x the cost of a push-in connector that's more secure and lower resistance. If I need to keep removing wires, then yes, Wago lever nuts are great to have. If people are Wago fans, then stick with wago push-ins.
@@electronicsNmore great for regularly changed parts, like lighting ballasts and led drivers.
What was missing from this video that was in the other video were the standard wire nuts... How would wire nuts perform under this kind of test? would the wire break before the connection inside the nut? I can't picture that happening with a simple twist...
Hi there. I already answered your question in the comment area. :-)
Was there much difference in price between all of them?
Hi there. The lever nuts are are 2 to 3x the cost of the push-in connectors. Thanks for watching!
와이어 너트의 테스트를 알고싶습니다😂
Did you do a current carrying test on these?
ruclips.net/video/rM4RmGzngHk/видео.html
Check out those guns!
:-) LOL
is 20lbs a lot?
Interesting but to be a real test do you have to do multiple of the same connectors and look at the average??
It was a real test. If a manufacturer has very good quality control, the results will be very similar for all tested.
Why didn't you test a wirenut?
Hi there. That question was already answered in the comment area. Thanks for watching!
🖖 👍
Interesting...I just don't know if 60 lbs, is electrically superior to 20 lbs of grip. As a purely physical characteristic, I would never have any significant stress pulling wire out of a connection.
I use the test results as an indicator of how well the connector grips the conductor. A better grip(more pressure) on the conductor, should translate into a better, lower resistance connection. Thanks for watching!
@@electronicsNmore "should translate into a better, lower resistance connection." There is nothing here suggesting that to be the case nor evidence of it. The materials and amount of contact area is going to make the difference and pull-out is not even evidence of pressure, it can simply be design (such as having angled 'teeth'). If you want to test it get a tester and get a meter to measure resistance or loss. Or just look at the other channels who have done it as to how you could make it work for your future tests.
Very Good!... #98 ✝ {12-4-2022}
My dad failed the pull out test.
a few points
1 I this would be similar to last week and I was like ugh again but then you spiced it up to be a competitions like project farm and then I was like hmm that got interesting.
2 Veretasium as much as I I dont like that channel for many reasons and rarely watch I saw a video about how the clickbait is 1/2 the effort when making a video to being people which to be honest yours did not look appealing. For example look at project farms image vs yours which one looks like it said more while saying less as an example and which image was simpler for most to get. You have to dumb it down. And this is not an insult but a suggestion since I see this channel for years even with your older logo and you have to get better in bring them in more.
3 Why wasn't last weeks winner in since now I want to know if it would still be #1 with this.
4 Nice to see you have the image of which one wins with an image of them which project farm should do but does not and many times i had to go back to the video and try to understand what he is referring to which feels like he is not really understating the comments despite he relies to call as if generic. LOL
5 Despite the image at the end to say who wins project farm is good to show a graph but I understand it means more work but just a suggestion for future when you get more people.
Last week I was testing which connector had the lowest resistance and lowest temperature. This week was all about clamping strength. People can watch both videos and be very well informed. I need to make my thumbnails more catchy, because I refuse to spend 10 hours creating a video for only a few thousand people to watch. For a highly popular subject like electrical connectors, and having very few if any perform the type of tests I did, I'm getting majorly screwed without lube. LOL If it keeps up, I'll just produce more unbiased product reviews for higher end products, at least I have something to show for all my work. Thanks for watching!
Would love to see Trench create a product testing video that meets his high standards.He’s had plenty of comments to give you and PF.
Looks to me that the wago are not worth their price
They're good if you intend on pulling the wires apart frequently. Thanks for watching!
Wow, 20 lbs for the wago lever style. That's abysmal. Stick with wire nuts. About 1/5 the cost, better contact, less resistance, and far more strength. We recently bought property with a bunch of outbuildings, and there were fans hanging from wire nuts, what looked like for decades. The ONLY time a lever lock is better is if it's an inexperienced person doing the connections, or if it will be taken apart multiple times. I use the push in connectors on boxes where there isn't enough wire to get them together to thread a wire nut on. Like if the person that initially wired it up didn't leave enough, or someone cut off the wireless to put in new switches, making the wires shorter.
I would only consider spending 4-6x the cost on lever nuts if I planned on removing wires frequently.
If a wire is hanging by the connectors it is dangerous and would fail any inspection. 20lbs is far far more than you would ever need for any proper connection that meets code.
Seems like a complete waste of time... Many found it interesting so what do I know... ?