| Electronics > Projects, Designs, and Technical Stuff |
| "No-crimp" connector idea |
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| Monkeh:
--- Quote from: FreddieChopin on September 15, 2019, 10:25:10 am ---Wago connectors are horrible because they are prone to rust --- End quote --- Just like anything else with steel in it, like your screw terminals.. --- Quote ---have pretty high contact resistance --- End quote --- [citation needed] --- Quote ---and when overloaded they melt. --- End quote --- Just like everything else with plastic housings, like your screw terminals.. --- Quote ---I worked on many building sites in Poland and everywhere I worked it was forbidden to use wago because when installation is overloaded with electric oven, kettle or arc welder it can start a fire. --- End quote --- Perhaps Poland should investigate the concept of a circuit breaker. --- Quote ---Instead we use proven screw terminals that can whitstand high overloads. --- End quote --- Proven to be cheap, awkward, and easily misused, yes. --- Quote ---In my parents house there is aluminim electric instaltion done by my grandfather, it is soldered instead of any terminals and it works without issues since 1950s and I'll bet it will work great 30-40 years into the future. We don't do much soldered electric installation nowdays unless client is willing to pay more for it because it takes time. --- End quote --- Soldered.. aluminium. Not impossible, also not likely, and of course surely won't melt under overload :-DD |
| Yansi:
--- Quote from: FreddieChopin on September 15, 2019, 10:25:10 am --- --- Quote from: Yansi on September 15, 2019, 09:09:49 am ---...and then you reinvent the spring terminals (WAGO). ;D --- End quote --- Wago connectors are horrible because they are prone to rust, have pretty high contact resistance and when overloaded they melt. I worked on many building sites in Poland and everywhere I worked it was forbidden to use wago because when installation is overloaded with electric oven, kettle or arc welder it can start a fire. Instead we use proven screw terminals that can whitstand high overloads. In my parents house there is aluminim electric instaltion done by my grandfather, it is soldered instead of any terminals and it works without issues since 1950s and I'll bet it will work great 30-40 years into the future. We don't do much soldered electric installation nowdays unless client is willing to pay more for it because it takes time. --- End quote --- If something is overloaded, then probably the overloaded components is not at fault, more likely You who put it there incorrectly in the first place. Spring terminals are currently the go-to in the industry and there are no problems with their reliability. In fact, they have better reliability, than screw-type terminals. Even installation errors like forgotten screw that was not tightened properly are quite eliminated. Soldered what?! O_o |
| FreddieChopin:
--- Quote from: Yansi on September 15, 2019, 11:06:18 am ---If something is overloaded, then probably the overloaded components is not at fault, more likely You who put it there incorrectly in the first place. --- End quote --- At work we use YDYp 3x1.5mm cable to wire outlets. Sometimes B16 breaker wont trip with something heavy connected (like dishwasher or kettle) but WAGO will burn :-- while screw connectors are fine :-+ It's simple math - more connection area -> less I^2R losses -> less heat. |
| Monkeh:
--- Quote from: FreddieChopin on September 15, 2019, 01:44:32 pm --- --- Quote from: Yansi on September 15, 2019, 11:06:18 am ---If something is overloaded, then probably the overloaded components is not at fault, more likely You who put it there incorrectly in the first place. --- End quote --- At work we use YDYp 3x1.5mm cable to wire outlets. Sometimes B16 breaker wont trip with something heavy connected (like dishwasher or kettle) but WAGO will burn :-- while screw connectors are fine :-+ It's simple math - more connection area -> less I^2R losses -> less heat. --- End quote --- Dishwasher or kettle? You mean a sub-10A load, on a 16A breaker, using a connector generally rated around 32A? Bullshit. Having watched real Wago connectors take a 3xIn overload for several minutes, I don't believe you. |
| langwadt:
looks like it would basically be like a incorrectly done crimp |
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