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Can push in connections handle 20 amp circuits? The box claims that 22 to 12 gauge wire can fit, but little else. Sorry if this is a silly query.

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    What actual connector? Picture of the box. Brand and model number. Without that all that can be said is that some push in connections can handle 20A but yours might not. – Dan D. Mar 17 '16 at 0:32
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As long as it is rated for it, it can handle it. I use these IDEAL push connectors ALL THE TIME.

  • I replace those push in connectors all the time. I do not think they should be legal and do believe they are the reason for arc fault requirements. Push in connectors have made me thousands for easy work on my part but IMO give the industry a bad rep. – Ed Beal Nov 1 '18 at 2:45
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Push-in connectors such as the Ideals linked in another answer or Wagos are rated for wire size, NOT amperage. If it can accept a #12 wire then it is safe to say it can be used on a 20A circuit.

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Many connectors are rated for 20A, If you worry about push-in connectors, try something like this

enter image description here

WAGO 222-413 3 Conductor Terminal Block with Levers
No. of Positions 3
Rated Voltage 600V
Rated Current 20A
Wire Size AWG Min 28AWG
Wire Size AWG Max 12AWG
Wire Connection Method Push In Lock

They have a handy guide on the back for insulation trimming.

Just keep your fingers out of the way when releasing the tiny orange levers!

  • Those connectors are great for low amperage devices I use them on Flouresents fixtures and have never had one fail in that case and they do sting when closing if it hits your finger nail so a plus for that, I have repaired hundreds of failed back stabs in the U.S. and these were only rated for 15 amps so I would never and do not use any kind of stab connector other than a low wattage fixture would use. – Ed Beal Nov 1 '18 at 2:40
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Wago website gives all of the specs but we must think beyond the specs to be on the safe side. Reasons are many beyond the specs, for instance, the 8 or actually listed as 7 terminal although there are 8 holes plus the feed line is rated for 24A however, I wouldn't suggest anyone use them near anything hot such as a light fixture unless there is ample distance. Rated at 60C things can reach hot temps and over the course of say, maybe 10 years or so the plastic will become brittle due to this. Wago is an excellent connection for a box that is not going to have added heat or weathering due to sun or water etc...

I don't care what wire nut heads say Wago has beautiful products and they do work if used correctly and save you a lot of time. Often the problem I find with wire nuts is that far too often people simply don't strip old connections back. If you look at the wiring with oxidization on it yes sure it is copper but over the years as this build up happens there is a loss at this connection. What most folks complain about is having to strip a little casing back or shorten the wires. let me tell you if 6 inches code doesn't get it done for you for the life of your home you should be more than happy you made it to that point! Learn how to work it ;).

Their specs are actually pretty spot on and they meet code there are a lot of naysayers out there but don't listen to them. Do NOT use them around another source of heat and do not exceed 20A and they should last a lifetime! Also, what is the deal with people not educating each other VxA=W simple grade school formula tell them not to exceed the wattage rating of their wire and circuit? Every homeowner should be required to know this information! Instead, we like to keep people in the dark so we can pinch them for all they have where does it end we are talking about someone's life possibly versus dollars. Teach anyone and everyone the basics it should be a requirement in high school actually!

They are excellent connections and they only time I have ever seen them fail was around another heat source, or if someone overloaded the circuit. Know the connector, not all are rated for 24A some are rated for more like the clampdown series but many are rated for way less. In the specs, it will tell you wire size, amperage and more. It will accept #10 wire but why push it just stay with 12 wire and 20A to be safe with the dark grey 8 hole terminal connector. As a general rule anything run at max rating is pushing it best to stay under that a fair amount. They work don't believe the rubbish if people want arthritis and carpal tunnel and want to spend their day twisting away let them you don't have to!!! But be sure to follow the guidelines and specs and look at other data beyond that to make an informed decision you can wire nut your way to the heavens for all I care but I'll use these push in connectors and sleep well at night after 15+ years of doing so.

  • Welcome to StackExchange. This post could use some tidying up, mostly in the area of punctuation. There is an edit button just below your answer text. – Harper Nov 1 '18 at 0:32
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Yes they can & do. Although, the only kind of "push connector" you want is a Terminal Block, it's push-in & then screw-down clamping, they're the best of both worlds & come in all shapes, sizes & colors. If it's just push alone, return it & never buy them again. They aren't easily correctable, re-usable, reliable nor long lasting & therefore not trustworthy. That being said though, I've used Wago's just a few times & their locking arm version did seem to be an upgrade to address some of my issues, but those versions aren't "really" push-ins either. I can't yet speak to Wago's reliability nor longevity.

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    Have you ever tried to get 12 gauge wire out of an IDEAL push connector? I wouldn't base your answer on buying cheap products. – DMoore Mar 17 '16 at 0:38
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    "But, if they're so great, then why don't circuit breakers use them, those are push-in too." ......... HUH?? – Speedy Petey Mar 17 '16 at 1:23
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    Thanks Wolf. I just don't see the point. Are wire nuts & terminal blocks somehow tedious & taking more than a minute? Why use something that requires wires to be chopped down, has connection issues, can't be reused & may not last? Can you imagine all the Ceiling Fan Questioners here using push-ins, they wouldn't even have wire stubble left in the box. – Iggy Mar 17 '16 at 4:58
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    "Hey, if it's so great & so reliable & long lasting...which you attest it's not." ..... Who said they are not??? And no one is saying they are the greatest thing either. They are good and have their place. Will they replace wire nuts? Never IMO. .....Thing is, you are throwing your opinion of these connectors in where it is not needed. The question was simple, are they rated for 20A. You not only did not answer the question, you derailed it. – Speedy Petey Mar 17 '16 at 10:52
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    They are already replacing wire nuts. They are listed and approved for use. You can remove wires from Ideal style connectors with a pair of needle nose and some leverage. If you have ever made up several hundred connections over a couple days you would welcome these devices. They are a whole lot easier on your hands and fingers. They also save a lot of time especially if you are a twister. I could probably make up twice as many push-ins compared to twisting and wire nutting. The old-timers probably hated wire nuts when they first came out too. You could go back to soldering if you like. – ArchonOSX Mar 17 '16 at 11:40

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