25Set 5.08mm Pitch Screw Terminal Block Connector Pluggable (2Pin 3Pin 4Pin 5Pin), for Phoenix Plug for 28-12AWG Cable

Will use these with an Arduino project where I need 3 cables (2 and 3 wires each). The plugs are quite solid and I don't worry about them not maintaining good contact. In fact, they're so tight it's best to use a screwdriver to pry them apart rather than pulling really hard which could mess up my cables if I'm not careful. Much better than trying to screw the wires in correctly into final position. This way I can prepare the cables ahead of time and not worry about getting the wires in the wrong places.

25Set 5.08mm Pitch Screw Terminal Block Connector Pluggable (2Pin 3Pin 4Pin 5Pin), for Phoenix Plug for 28-12AWG CableI can think of dozens of projects that I have worked on where these would have saved me so much time, plus made for an easy way to disconnect or swap a component. The best part about these little guys is how user-friendly they are. They use what is called a "Euro-style" screw clamp setup - nothing fancy needed, just a regular screwdriver. No special crimping tools or anything like that, although when using stranded wire, crimping a ferrule (a metal sleeve, essentially) onto the wire is my recommendation. A kit with the crimper tool, ferrules, and case can be found for cheap on Amazon. The connection between two connectors is solid too - they click together with a satisfying snap and stay put, though you can still separate them without using any tools if you need to.I just got them today, and have already used them for a project I was working on. I used a couple of pairs with some PC case fan wires in my server. Now, if I want to remove the fans for cleaning or replacement, it only takes seconds since I no longer have to mess around with the hard to access motherboard connection.For you technical folks: The screw terminals make good, solid connections with most wire sizes. But they don't seem like they would withstand someone really determined to pull them apart. Just pulling by hand, I felt like I could break them apart if I really tried. Depending on your application, I would suggest using some wire clamps or whatever as some strain-relief.Bottom line: If you're doing any kind of low-voltage wiring work, whether it's hobby stuff or professional installs, these connectors are a great idea. I would stick to DC only. I wouldn't feel safe using these for AC & I doubt they are code approved for AC, anyhow.Quick Tip: Don't bother showing these to your wife. Despite my excitement and enthusiasm, all I could muster out of her was a "wire connectors? oh OK I guess". Some people!

so i planned on making a tiny Sleeper trailer that could be pulled by an ATV and is using a large bit of 3D printed goods that needed an easy way to connect wires, These will work great and have good firm connections that shouldn't get rattled loose.