House Wiring (Romex) Push In Connectors

   / House Wiring (Romex) Push In Connectors #1  

MarkF48

Gold Member
Joined
Apr 28, 2011
Messages
415
Location
Massachusetts
Tractor
Mahindra 2216
Back years ago when I upgraded some of the wiring in my house I used screw on connectors to join wires in junction boxes. I've got a couple circuits I've got to do some work on and happen to come across 'Push in' connectors that appear would be pretty easy to use. I'm thinking I might buy an assortment of 2,3, and 4 port connectors to give a try.

Any pros or cons I should know about?

Like this......
IDEAL 3-133 Push-In Connector, 3-Port, 12-2 AWG, Orange, Box of 1 by Ideal Industries: Amazon.com: Industrial & Scientific
 
   / House Wiring (Romex) Push In Connectors #2  
Probably at least as good as novice applied twist/wire nut connections...
 
   / House Wiring (Romex) Push In Connectors #3  
I won't use them. Ever!! They rely on spring tension to make contact. The contact area is pretty small. I don't know if they are even UL approved. Anyhow, over time the spring tension leaves the metal and you're left with an intermittent connection. That can cause overheating. If you're using them on aluminum wire (found in a few houses built in the seventies) the problem is multiplied as aluminum compresses over time. It becomes a fire hazard. Yes, I actually did work for about forty years in the electrical construction trades.
 
   / House Wiring (Romex) Push In Connectors #4  
I used the 4 port connectors wiring my new shop. They are so fast and easy, the twist connectors I had on hand are in the landfill.

The reason I used the 4 ports is because they are easier to handle with my 10 thumb hands. :)
 
   / House Wiring (Romex) Push In Connectors #5  
   / House Wiring (Romex) Push In Connectors #6  
It's not like they are something new and untested...they have been around for decades in different applications (receptacles, switches, light fixtures)...
...Insurance companies are the first ones to raise red flags and to date I have not heard anything about them like you do with things like Zinsco panels etc...!
 
   / House Wiring (Romex) Push In Connectors #7  
They work fine and are approved and rated. Skip the 2 and 3 hole ones and just get the 4 hole. For just 2 wires the wire nuts are cheaper and nearly as fast.
 
   / House Wiring (Romex) Push In Connectors #9  
they are not the same as the spring terminals in receptacle, these are apparently significantly better. i will say my utility trailer from 2010 is wired 100% with them, and i have 0 failures.
 
   / House Wiring (Romex) Push In Connectors #10  
Back years ago when I upgraded some of the wiring in my house I used screw on connectors to join wires in junction boxes. I've got a couple circuits I've got to do some work on and happen to come across 'Push in' connectors that appear would be pretty easy to use. I'm thinking I might buy an assortment of 2,3, and 4 port connectors to give a try.

Any pros or cons I should know about?

Like this......
IDEAL 3-133 Push-In Connector, 3-Port, 12-2 AWG, Orange, Box of 1 by Ideal Industries: Amazon.com: Industrial & Scientific

I've used them for over 20 years. My old employer used them. My current employer uses them. About every electrician I know uses them. They're UL approved for copper wire. Not aluminum.

Personally I think they are better than wire nuts. No guessing as to how many wires can fit in a 4 hole connector - 4!

You don't have to carry several sizes like you do with wire nuts. A 4 holer will work with 1, 2, 3 or 4 wires. No guessing if it's gonna be too small or too big.

:thumbsup::thumbsup:
 

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