BMW’s iX3 is the company’s first normal-looking all-electric car | 19mm Momentary Push Button

The rear seats are nearly as roomy as the fronts , which is an incredible achievement for such a compact car. Never did the kids knee my seatback.

If you’re invested in the Alexa ecosystem, the Amazon Smart Plug is super reliable, dead simple to set up, and works with most electrical products you would find in the home. Be sure to heed the warnings found in the in-box manual!

The saw cuts in both directions, one person pulls, and the other slightly lifts and the saw cuts. then the other person pulls and the opposite person slightly lifts and follows the saw. Each person has a pull stroke and a less strenuous return stroke.

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

Being small and shiny, it was an almost dead cert that a new engineer would pick it up, When tipped over, the relay would be energized by the tilt switch, the relay then switched off its own power, which resulted the contacts closing again, resulting in oscillation, and large back emf spikes which were presented across the two metal plates. As a result the person who picked up the box got a fairly significant belt, and let out some major expletives.

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.

“Main Power” means different voltage in different places. Where I am the mains is 240 Volts and circuit layout is not acceptable for this voltage. I doubt it would even be acceptable for lower Voltage.

While we don’t currently have details on the precise viewfinder type employed by the Sony A33 — Sony describes it as a 0.46-inch diagonal (0.43-inch effective) Xtra Fine LCD Tru-Finder — it clearly employs a time-multiplexed method to display red, green, and blue color information at every pixel location, suggesting it is likely a ferroelectric LCD. This differs from traditional LCD displays, which mostly create color information with a cluster of three adjacent red, green, and blue subpixels (commonly called ‘dots’), for each pixel location. When compared to standard LCD electronic viewfinders, ferroelectric types bring both advantages and disadvantages. They’ve proven somewhat divisive in the past, due to their tendency to demonstrate RGB "rainbow" artifacts when you blink or move your eyes, or with fast-moving subjects. On the positive side, though, since each pixel provides full color, ferroelectric LCDs tend to look much smoother and more detailed than their traditional LCD siblings, with less obvious pixel structure. They also tend to have higher refresh rates, and indeed Sony specs the EVF used in the A33 as offering a 60Hz refresh rate. It’s not surprising to see such a display adopted by Sony, since Konica Minolta — the company Sony absorbed to create its DSLR division — was a particular proponent of their use.

We were pretty close to that 40% rule when our controllers started to fail, which is probably why they only started failing after our customers had use the controllers a few times. We were pushing 22 Amps through 40 Amp rated parts. In other words, using a component at half its rating still won’t cover for substandard parts! Our solution was to find a part that was manufactured to spec and also use the component at half its rating and we’ve not had a verified SSR related failure since.

Multilayer varistors (MLVs) address a specific part of the transient-voltage spectrum: the circuit-board environment. Although lower in energy, transients from ESD, inductive load switching, and even lightning-surge remnants might otherwise reach sensitive integrated circuits on the board. MLVs are also made of ZnO materials, but they’re fabricated with interwoven layers of metal electrodes and produced in leadless ceramic packages. They’re designed to transition from a high-impedance state to a conduction state when subjected to voltages that exceed their nominal voltage rating.

No, it’s far more likely a combination of the strength of your flexor muscles (biceps) being stronger than your extensors (triceps), a bit of spinal reflex (sudden stretch of pain signal = withdraw limb) and observer bias; you’ve probably seen people electrocuted with 120v AC more often than 120v DC.

http://www.canadiantire.ca/en/automotive/interior-auto-accessories/winter-accessories/automotive-accessories/polar-pad-engine-heater-125w-0300004p.html