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I can see how these are easier to use, but why would you replace existing twist caps?
Because I've had them slip out of twist caps before, especially on ceiling fans with three wires going into one cap. I just don't trust em, y'know?
Then something is wrong - like not using the correct size
Yeah, agreed. WAGOs are awesome and look factory professional, but wire nuts are still used most of the time - easier to come by and still cheaper (although WAGOs are becoming very affordable).
The trick to wire nuts is simple; use the correct wire size, which can be mixed but follow the spec from the manufacturer’s website, strip all wires to the same recommended exposure length, and the most important part; do not twist your wires together - insert them straight all at the same height and begin twisting the wire nut until there are two to three rotations in your wires below the nut.
do not twist your wires together
The packaging usually says you can pre-twist the wires if you like, although maybe that's just the manufacturers yielding to the massive inertia of older tradespeople. This Old House says the same thing. I dunno, I don't pre-twist.
The WAGO install is faster than the damn wire nuts.
You don’t have to convince me, just giving wire nut folks a tip
wire nuts are still used most of the time
Not just digital banking, internet and healthcare that the US is over a decade behind on then? 😂
Internet? I mean maybe countrywide, but it’s a big country with ruralness. I download from steam at a 900+ megabytes per second. Bytes not bits. Is that considered bad? what do you get? I used to only get like 600 until a hardware upgrade so I'm still sure I have bandwidth to spare. its usually takes seconds or minutes to get any game.
The prices are definitely bad. Not that I can criticise...
I heard you're supposed to crush them with needle nose pliers so they don't slip out.
yeah no dont. these are great
Marrettes (twist caps) like to break off the ends when you re-connect them. The solid core wire only takes a couple twists before it fatigues and breaks. If you do a new one, or have to strip the wire back because you broke off the last one, I'd definitely change to these. They're much more reliable, don't break the wires and you can see when they're inserted correctly. And when you only have so much length in your wires in the box, you want to preserve what you have so you don't have to open up the wall and lengthen it, and doing so isn't to code anyway if you don't put in a junction box.
I've DIY'ed my own electrical for decades, and I change to these whenever I can now. It's like changing from copper to PEX at any chance for plumbing, superior in every way.