BMW’s iX3 is the company’s first normal-looking all-electric car | 25 Amp Circuit Breaker

Two inputs for the beefy converter are supplied from outlets not just on separate circuits, but on two circuits whose hot lines are 180 degrees out of phase. That means identifying where there are two plugs, not protected by GFCI outlets or breakers, which are on two separate hot lines of split phase power. To protect the user, [Nick] designed in a set of relays which kill the circuit when one of the two supplies is unplugged. A system that didn’t have these protections would have mains voltage on the prongs of the disconnected plug.

1) If not breathing, give CPR. Electrocution has pretty good recovery rates if CPR is started right away.

I think *local* distribution of DC makes some sense. We have too many wall warts in our houses. Standardized 12 volt DC power with a whole-house supply would be far more efficient. Of course, it’s not going to be commonplace in even my children’s lifetime, but…

For all my complaining about the difficulty of tracking sports subjects and the dead-screen issue, though, the difference between these SLTs and other consumer-level DSLRs is little short of astonishing. It may not be a direct substitute for a Canon 1D Mark IV or Nikon D3s, but if you have a budget of under $1,000 and shoot any fast action at all, the Sony A55 and A33 are hands-down slam-dunk purchase decisions. At this point, there’s nothing else in the large-sensor segment of the digital camera market that remotely approaches their high-speed capture capabilities.

i have 300w 12v silicon heat bed i just use a 700w pc power supply and 70A relay it heats bed over 100 oC in about a minute no problem

“The Psychopath Test” by Jon Ronson is a great book about it, the guy who invented the checklist now used to diagnose psychopaths, has his pet theory that psychopaths with power are the cause of many of the world’s ills and inequities. His name’s Bob Hare, and he probably knows more about it than most other experts.

I like these more and more. Good size for my needs, and handsome styling. Standard hybrid probably makes more sense for me, but I’d have to give it a look.

And this AC vs DC case when it comes to skin effect, is a reason for why some Data centers use DC distribution, as most server products uses switch mode power supplies and therefor has an internal bridge rectifier.

The potentially game-changing performance of the Sony A33′s EVF overshadows its excellent rear-panel LCD, which is a little unfair: It’s as good an LCD as is found on any other camera, and in at least one sense literally outshines them all. It’s the same widescreen ~920K-dot high-resolution LCD we’ve seen now on a wide range of cameras from a variety of makers, but its implementation on the Sony A33 adds a couple of useful twists. First, of course, it literally twists and rotates, albeit from the bottom of the body, rather than the side. This unfortunately makes it useless for composing self-portraits with the camera mounted on a tripod, but otherwise is quite helpful for getting over-the-head and ground-level shots with ease.

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Wrong again – The VOLT from the very first had a choice of 8 or 12 – it just wasn’t from the touch screen in the car in the first 2 years, it was a button on their ‘charger cord’. And there was no ‘default’. Unlike later cars such as my ELR and BOLT that must be constantly changed to 12 amps on L1 (yes, I know about zip code based charging on the bolt), my 2011 VOLT would stay at the setting you left it at since it was stored in the EVSE, NOT the car.

No, ebay removed the ability for sellers to leave negative feedback years ago. Fun fact – the majority of an ebay sellers score these days (not the % positive feedback, but the score used for determining search rankings etc) is determined by the % of orders that are received on time and without a ebay ‘case’ (return, etc) being opened.