If existing nominees don’t get confirmed before this congressional term concludes, they will have to be renominated by the White House in the new year. McConnell has emphasized that getting as many nominees through as possible is one of his key priorities this term and the next.
*My* electricity is cheap (~$0.065/kW), so that 117 miles would cost about $7.61. Gas in my area is down to about $2.70/gallon, so the total fuel cost for those 253 miles would be about $16. Other areas of the country might be higher for electricity and lower for gas.
Anything below 50 Volts is considered “safe”. As in, you don’t need to be a licensed electrician to build and operate it. That’s the other thing with dealing with mains voltages in a DIY project. If you build it yourself, your insurance company won’t covery you.
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What about putting a uC in SSRs, so you can ask the think if it’s an original part or not. Propper encryption needs to be implemented of course.
I neither would recommend the mains power approach (230V in Europe), the power of 120W is very well to be handled with 24V, even 36V is necessary. This 3D printers are in many cases still some kind of “hacker toy”, often are modifications or experiments done.
I use a contactor with my sonoff, 1kw pool pump. The sonoff is seriously under specced for switching a pool motor.
It’s the same with larger, more power hungry projects as well. [Nerd Ralph] has been running a mining rig for a few years now, and has learned just how important proper power supply management can be. His strategy involves using interlocks to ensure everything powers up at the same time to avoid feedback problems, running a separate ground wire between all GPU cards and the PSU and running the supplies at 220 for the NA folks.
Electricity is complicated and dangerous. If you don’t know what you’re doing, you could start a fire or get electrocuted—sometimes fatally. Pretty much anything beyond plugging something into the wall should be left to a professional. The cost of my visit is nothing compared to the price of your safety. Here are 12 more home improvement projects you should never DIY.
In air conditioning, we are given a gift by equipment manufacturers on the equipment data tags: the minimum circuit ampacity (MCA) and MOCP or max fuse/max circuit breaker rating.
The customer changed their tune. My boss was impressed (though not enough to give me some coinage for ingenuity) and the electrician was told to change the breakers and add the new feeders to support the load. Got a lot of recommendations from that customer in the years after that.
When I’m doing electrical work, I *always* short the conductors to verify no power (after flipping the breaker and testing with a meter). Better safe than sorry.
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