Always use a one lead voltage ~~meter~~ tester when working on electricity. Don't trust your breakers. Don't trust light switches.
this post was submitted on 29 Feb 2024
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Are you talking about the meters that simply detect whether wires are still live or not? Definitely a good backup to double check that you've shut off the right breaker.
If you're talking about a single lead multimeter to measure voltage, I've never heard of such a thing and don't know how that would even work.
This one can detect voltage with a single lead and also works as a voltage meter if you use two leads: https://www.benning.de/products-en/testing-measuring-and-safety-equipment/test-equipment-voltage-tester/voltage-tester-duspol.html
It also has an inbuilt motor to distinguish leaking voltage from continuous AC.
Sorry if I didn't use the correct English terms and that wasn't clear enough.
In Germany you simply call it a Duspol and every electrician knows what you mean. Didn't research enough into the English description but it seems it's a two pole voltage tester with one pole voltage detection mode.
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You're ignorant of most things, and recognizing this is one of the most important things to growth as a person.
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It’s a ruse to provide an artificial sense of urgency. One sale would end say 1/13 and on 1/14 we’d take down all the signage from that sale and put up the signage got the next sale.
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We are all terrible at applying statistics, it is incongruent with the way our intuition works. It takes intentional consideration plus math and understanding to consider things statistically, much harder than the immediate intuitive answers our brains give us. The worst part is sometimes those intuitive answers are dead on, sometimes they totally miss the mark, and we have no way of knowing which is which without doing the hard work to evaluate the situation statistically.
The boom Thinking Fast and Slow covers this in great detail and provides some guidance on how to manage it.