What Most Techs Get Wrong About Wire Sizing | 2017-09-18 | Lrd12 Overload Relay

I learned British version of English, but my accent is all over the place. I also speak a bit of Spanish, Portuguese, Latin and a tiny bit of German. I can swear in Russian too, because my wife knows that language. And don’t forget my native tongue, which is Polish.

1. 25A for 22A? Too close for my comfort. 2. A thin sheet of aluminum is not much of a heat sink. 3. Sitting on top of the hot water heater means ambient temp is going to be a bit higher. 4. Summer in a garage is likely to get hot.

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It occurs to me that enormous subsidies have been expended to have put a handful of pure EVs on the road – still very expensive and not practical for a lot of people. I think a better carbon reduction bang for the buck wold be to incentivize PHEVs or even “conventional” hybrids.

A path is the key. To be thrown across a room and to be banged up, ie bashing into a wall, must have been a low current high voltage event that made a path!

There’s a lot of FUD in the comments here about extension cords (which if you know what you’re doing, you have some 12AWG SO and call it a day, 10 if it’s really dang long) and in terms of current, if you screw up and overload a plug you have a handy-dandy circuit breaker there for you. If you want to say I can’t trust that, you have other issues. I wouldn’t want to try this in a house with K&T, which I didn’t know was still so prolifically installed until I moved to the Midwest.

The camera can’t always perfectly compensate for how you move the camera during the panorama, nor for extreme perspective shifts, so you’ll sometimes see "stitch errors" in the assembled shots. The slight "stuttering" above left in a shot from the Sony A55 is typical of the mild errors that sometimes occur: Pretty unobtrusive, unless you really zoom in to pixel-peep. More dramatic errors like the crop from an A560 panorama seen above right were fairly rare in my experience. This is a great feature for dramatic vacation snapshots, but if you’re making panoramas professionally, you’ll still want to build them manually from separate shots.

Most significantly, today’s Corolla arrives sat atop the Toyota New Global Architecture (TNGA), a complex name for underpinnings that, in this form, have already demonstrated considerable promise in cars such as the high-selling CH-R SUV, hybrid Prius and soon-to-be-on-sale Lexus UX.

The rest of the circuit would be built on the backside, with judicious use of surface mount electronics rated for miltemp operation (to 125C). Standard connectors from Samtec or Molex can handle the current drive easily, with no problems from the heat. Add an acrylic conformal coat on the backside, or perhaps potting the electronics, and you can make the entire module one single brick module.

The ESD protective wrist strap should not tie you to a hard ground, it usually has a 1Meg resistor included, just for this reason. But perhaps not every cheap chinese one has?

I will not put all the money on the bet, but this one might be indeed one of the solutions: http://www.mouser.com/ds/2/328/lnk302_304-306-179954.pdf if you want something “all-in-one”. I prefer a separate external PSU for many reasons, including circuit separation and protection. You can find 5V and 3.3V SMPS DIN rail mouting ones for decent prices.

I’ve left perhaps the most salient characteristic of the Sony AF55 and A33′s EVF till last: It’s huge. The view through the Sony A33′s eyepiece is much more akin to that of a full-frame DSLR than that of any competing sub-frame model currently on the market. It manages this with a comfortably high eye point (and plenty of dioptric adjustment) for eyeglass wearers, at least when simply viewing the live viewfinder image itself.