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All electrical devices are designed with safety in mind and are rigorously tested to make sure the design works. All of us have probably plugged in one too many things on the same circuit and tripped a breaker or blown a fuse, and that’s the first consideration you need to know about the Amazon Smart Plug — it has a safe output rating based on the type of load you’re using. Here are the exact technical specifications according to Amazon.

Personally, I’m most excited about this for YouTube, since there’s never been a great, seamless way to make Sonos play audio from the leading video platform. Now you’ll just have to tap the AirPlay icon. There will likely be a bit of latency between sound and image with AirPlay 2, so it might not be ideal in all cases. But at least it’ll be a relatively easy option. Same goes for Netflix, HBO Now, and other apps that Sonos hasn’t previously supported on its end.

Tomczyk is a professor of HVACR at Ferris State University, Big Rapids, MI, and the author of Troubleshooting and Servicing Modern Air Conditioning & Refrigeration Systems, published by ESCO Press. To order, call 800-726-9696. Tomczyk can be reached at [email protected] (e-mail).

However there is a snag. In recent years there has been a flood of cheaper instruments arriving on the market, and some of the manufacturers of these devices have been found to put IEC 61010 ratings fraudulently on items which do not in any way meet those standards. We have covered tales of dodgy cheap multimeters and test failures more than once here at Hackaday, unfortunately this is a widespread problem. So please bear this in mind when buying a multimeter or other instrument for use with mains voltages: the cheapest may not be good enough. We have all used £5/$10 bargain meters with our low-voltage analogue or microcontroller work because a flashing LED on a breadboard is hardly hazardous, however for higher voltages those IEC class markings have to come with a believable provenance. Buy the most expensive instrument you can afford from a decent and reputable manufacturer, it’ll keep you safer and you’ll get a top-quality meter that will last you a lifetime.

Zaprodk bitches about the absence of a fuse — which is clearly explained to be located on a separate power entry board.

The U.S. benchmarks are approaching the unofficial start to summer amid characteristically range-bound, and slightly sluggish, price action.

Uh, maybe i should not post using a foreign language a 01:00 AM… Correction: It should be broken –> It COULD be broken

Many lawmakers see this legislation as increasingly more crucial in the wake of Attorney General Jeff Sessions’s departure and Trump’s ongoing critiques of the Mueller probe.

Burst depth for the Sony A33 is seven Raw or Raw+JPEG frames, and 16 Fine or 20 Standard JPEG frames in a burst. That’s quite a bit less than the A55, which can capture twenty Raw or Raw+JPEG frames, while JPEG shooters can expect 35 Fine or 39 Standard-compression frames, but in our experience, the Sony A33 makes up for this deficit somewhat by clearing its buffer much faster. This means that although the A55 will get you more shots in a burst, the A33 will be ready to start another burst much sooner.

Australia is similar, except 3ph is uncommon in a house. There’s 3 phase at the kerb and each house is connected to one phase.

As you said yourself, low current. There is good reason to worry about mains power. The most common breaker is 15A, and that is about 15 times what is needed to kill you. It won’t trip right away either, unless it is so old and weak that it needs replacement anyhow.

I walked in on instrument installation day and began the burn in test of running the halogen fixtures at 100%, then bringing it down over the course of 30 minutes to determine if we had a bad SCR dimmer.