Many people do not own their own home and must deal with a landlord, who may feel that providing a high-quality 110 volt receptacle for the car to recharge is the end of their responsibility.
Why reinvent what is already on the market? There are heating panels beeing sold as accessory for 3d printers already. I just saw a 300x200mm 200W 230VAC silicone heating pad for around 90$. The vendor (multec.de) however clearly states that the installation has to be done by a certified electrician. I’m pretty shure these pads could be sourced a lot cheaper on other sources too. If you think you can just DIY around with 230VAC, make a mistake and hurt/kill somebody or burn down a house, you will be f”cked for life, because no insurance company will cover you. And if you kill yourself and have a family, well, thats not that great for them either. Keep that in mind. I’d rather use a bed made for 48VDC. Powersupplys are abundant for that voltage (standard for a lot of telecom/industrial equipment), reasonably safe to work with compared to 230VAC, and you still get 4 times lower currents (or more power at same current) compared to a 12V bed.
Meh, just use a relay for your “PWM”. It’s much easier, and you have a huge low pass filter. You can easily go up to a few Hz switching with a good realy. Use a solid state relay and it’s even better (you might break your mechanical relay after prolonged use).
I’m confused… “Wire up the outlets for your mining rigs for 240 instead of 120”, shouldn’t you rig it up to use whatever enters your home. Apparently there is a choice, how is that possible, do they run their own generators over there?
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.
There are of course odd exceptions: my grandmother’s old house from the 1920’s had an instant water heater. It was a single 415V element, connected between two phases. Highly unusual, and nearly killed an electrician who didn’t realise that one side of it wasn’t neutral.
I guess you missed my writing ignorant people doing stupid things People using a metal utensil to clear a jammed toaster isn’t unheard of but still there are no barriers to that. Perhaps there are bread toaster that use an enclosed heating element like many toaster ovens use, but my fairly new UL labeled toaster uses the same style of heating element hat been used for decades. That what you quoted was directed the the DIY individual more likely to come across something like this, not average John or Jane Doe.
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All this stuff makes me think it might be time to get a Faraday cage installed around my heart. Or maybe a big shunt from shoulder to shoulder.
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It must be completely fine, and I actually prefer IEC equipment (that is double-listed) for many applications, but whenever I have visited Europe, the general level of electrical safety (and the way things are wired) has often seemed a lot sketchier. Then again, they benefit from three phase just about everywhere, and their distribution network is nicely balanced. The NEC and life safety codes in general in the US seem comparatively highly conservative but I suppose I don’t particularly mind. Would your experience agree?
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