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What to Consider When Buying and Installing a Home Electric Vehicle Charging Station | Circuit Breaker Parts

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Teslas are a special exception since the S, X and Roadster all took a 30% hit to efficiency when charging at 110 and really needed 190-240 to charge efficiently. Other brands like GM or Ford or Toyota seem to charge relatively efficiently at 110.

You can not do it much more complicated! If you want to heat your print bed by induction, it has to be ferromagnetic to work with a commercial induction cookers coil. And using the copper coil as resistive heater is also no good idea.

Then if one is only looking at getting warm water, then one can also just have the heat pump use ambient indoor temperature to make the warm water. It will efficiently give warm water, but heating the house would be just as efficient as using a large resistor. (But at least the warm water got cheaper. (and it cools down the house during summer if one empties the warm water out doors or down the sink.))

Theres a homebrew 80vdc @150amp supply in my cnc converted bridgeport, that runs the entire dc rail for the steppers and other stuff, its always scared me slightly because I know that the big transformer its based on has a mag field and when it collapses and it has some massive smoothing capacitors to boot, so I have masses of isolation distance everywhere the dc side runs and I disable the transformer with a dedicated switch while working in the cabinet of it. I had a stepper driver supplied directly off the rail go bad and it just had a large hole where it used to be. I just imagine that was a bit of me if I get tempted to get sloppy with it. I’ve never put much thought into getting electrocuted by a welder, I’ve tickled my finger with my 3 phase tig set more than a few times getting too close and giving a nice easy starting path to the startup pulse. Maybe I should, I’ve got a massive 3 phase 380v transformer tig that can do 375amp dc, that tends to throw all the breakers out while its saturating its massive transformer with the inrush current… I try to treat mains voltage with the respsect it deserves. Its a killer, but if you take sensible precautions and steps you can avoid it being you it happens to.

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It’s an ultimatum that hits at Republicans’ narrow margins in the Senate (which will be wider when the new Congress starts in January).

Window AC units blast for hours at time and use massive amounts of energy. An extension cord—and usually even sharing the circuit powering your AC with something else—overloads the wires. If they get too hot, the wires could short out and start a fire. Make sure the unit gets its own circuit, meaning a switch on your electrical panel dedicated to your AC and nothing else. Here are 11 more home safety risks and how to avoid them.

Matt Reed, the Creative Technologist at redpepper who shepherded the project, explained via email: “I got all of the Waldo training images from Google Image Search; 62 distinct Waldo heads and 45 Waldo heads plus body. I thought that wouldn’t be enough data to build a strong model but it gives surprisingly good predictions on Waldos that weren’t in the original training set.” Reed was inspired by Amazon Rekognition’s ability to recognize celebrities, and wanted to experiment on a similar system which supported cartoons. He had no prior experience with AutoML, and it took him about a week to code the robot in Python.

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 Motor circuit breaker	GV2ME14 - Simply Buy

Ok let’s assume you have a coated PCB that that doesn’t promote condensation, now unless you’re immersing your PCB in Argon, the flash over voltage is a function of the air it’s in. Unfortunately this calculation has many variables such as impurities in the air like smog (which cause condensation), altitude (which dictates how much moisture the air can carry), distance between traces (of course) and several others.

Temperature swing in the water heater may be about 50K, incandescent bulb filament temperature swing is closer to 3000K. I doubt there is much variation in the resistance of the water heater’s heating element

> those who haven had the opportunity to study electricity or had made the effort to study it. Can’t let Darwin wipe them out when they happens to the target market… Even worse is that there are people that want to build printers on their own, but are not qualified to wire stuff to line voltage safely.

This makes no sense when you’re designing a heater. The higher the current, the hotter the wire will be. That’s why power companies transmit power at high voltage in the first place: they want to minimize heating. 120 watts flowing through a wire does NOT mean that 120 watts of heat are dissipated in it. You’ll get a much more efficient heater at lower voltages and higher currents.


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