Swapped my screw terminals for a plug-in bus on hall sensors

I always hardwired every hall sensor with screw terminals until a retrofit in Austin where the customer needed swaps done in under 5 minutes per door. Tried a plug-in terminal block setup after a coworker swore by it, and cutting a stripped wire took longer than the actual swap. Anyone else found these blocks get loose after a few years, or do you stick with screws for reliability?

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taylorcarr8d ago

Did a 40 door job in Tulsa last spring and ran into the same loose block thing about 8 months in. Turned out it wasn't the blocks themselves, it was me not seating them all the way. The lever on those Wago style ones has to click twice or it feels tight but isn't. Once I started giving each one a good tug after, no callbacks. I still keep screws on exterior doors though, the temp swings out there seem to work things loose faster. Inside doors get the plug-ins every time now.

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