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Senate committee cancels votes on judicial nominees after Jeff Flake’s Mueller ultimatum | 19mm Momentary Push Button

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I understand it’s only about 20hz, which is why it gives you that interesting jiggly feeling instead of a good Wack like mains power at 50/60 Hz does. When I was still a young buck in my early 20’s I worked in a mid-sized company and one of my duties was to maintain our POTS lines; my boss who might have been a sadist would often have me remap the phone lines mid day while the lines were in use and insist that I was not to busy any lines out. I can only amagine my coworkers delight at the inventive array of profanity that would come out of the wire closet when the reception switchboard would light up during these sessions. Sti got my lines man’s handset stashed somewhere…lol

I’ve been complaining for years about similar inabilities to do math with respect to diesel fuel. “Oh, but look at the high number I can calculate!” they all cry–as they pump their tanks with a fuel that’s 33% more expensive than gasoline.

Sonos isn’t saying exactly when AirPlay 2 integration will be ready for release. Apple itself has yet to officially launch AirPlay 2 for iOS yet; it’s still in beta testing. So that part obviously needs to happen first. But Sonos has made enough progress to have finalized a list of which of speakers will get it. The Sonos One, second-gen Play:5, and Playbase will be updated with AirPlay 2 support. Older Sonos products — the Play:1, Play:3, and Playbar — won’t be. To help ease the pain and frustration of that cutoff, Sonos says that so long as you’ve got one speaker that can do AirPlay 2 in your Sonos setup, you can group it with older models to make that audio play everywhere. Mac Observer first reported the list of supported devices.

In the second week, I’m not even sure why I did it, I was working on a pinball machine and measured 240V between the chrome plates on the front of the 2 pinball machines to either side of the one I was working on. The electrician had “forgotten” to hook any of the earths for the whole building.

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Usually called a Residual Current Device (RCD) or Earth Leakage Circuit Breaker (ELCB). Usually set on 30mA, but they take a small time to trip, which is dependent on how much current is leaking into the poor unfortunate 3D printerer. Much better than nothing, but not 100% guaranteed to save your life. I’d sooner leave mains voltage alone for things I’m tinkering with. I only mess with the mains for simple jobs, and then I’m very cautious.

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I do not disagree that this is not the best way to do it. I have only used it for temporary installation, and only when I can frequently inspect everything involved for signs of elevated temperature. At home, I had a licensed electrician install a NEMA 6-50 and a 40A circuit (which we de-rate to 32A for EVSE service) in our garage for our car charging needs.

I work with high voltage all day everyday except for weekends, and then I’m probably doing some wiring or something at my house. 480VAC is on the low end of the voltage scale for what I do. The biggest and most important safety tip is: “Know thy equipment.”. That means knowing where the 480VAC is coming in, everything it powers, where that voltage gets stepped up to thousands of volts, what chassis and assemblies are floating at high voltage, at what point of the turn on sequence they are at high voltage, knowing what to use a chicken stick on when things are powered down (i.e. the high voltage bits – BUT NEVER AC MAINS!!!). I’ve seen the ends of chicken sticks where the unknowing tried to short 480VAC to ground… thank el diablo for fast acting circuit breakers… If you do not know what the hell you are doing or think suiting up in some silly bomb suit and silly gloves that are going to get you killed faster with than without, you need to stay the hell away from anything over 28 volts…. You cannot troubleshoot everything with LOTO, you sure as hell can’t troubleshoot with big stupid gloves and a bomb suit on. Those things were invented by desk jockeys who have never had to work on anything themselves in their lives. Great for theory, terrible for getting shit done. Knowledge is the only thing that will keep you safe. Stupidity and trusting others to keep you safe will kill you.

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The device uses two hot and one ground to supply the 240V output which is, in some business where there is three phase power this will be closer to 208V but should still work. Obviously you shouldn’t be doing this unless you know exactly how it works, and we applaud [Nick] for airing these hazards while at the same time supplying the knowledge behind the concerns.

*Using approved LO/TO procedures which include verifying the energy sources are removed/disappated and safe

I’ve been looking for a capacitor for microwaves. I have this idea that I could use it for warming my coffee on the beach.

Tell that to the parents buying baby formula adulterated with melamine. The Chinese have long standing traditions that support cutting as many corners as possible. Basically, cheat until caught. And their government seems to actively turn a blind eye to all manner of this nonsense.


Senate committee cancels votes on judicial nominees after Jeff Flake’s Mueller ultimatum | 19mm Momentary Push Button Related Video:


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