Tom Baker is turning his long-lost Doctor Who movie script into a novel | 19mm Momentary Push Button

Just make sure everything is safe and properly grounded any time you’re using electrical equipment and everything should be great. No more reaching behind the Christmas tree to unplug the lights at bedtime!

I use mains power for my bed on both of my 3D printers. It’s controlled from RAMPs exactly the same as a 12v bed would be with the exception that the signal from the RAMPs board is used to trigger a solid state relay. I use a standard silicon heat mat: https://www.google.com/search?q=3m+heat+mat&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjawpmuoOPJAhVFtIMKHXC1AO0Q_AUICCgC&biw=960&bih=557

L2 is absolutely useful in cold climate, specially when you don’t have a heated garage. Because a very minimalistic L1 level won’t be able to charge much while also having to keep the battery at a functional temperature, more less to preheat the car or the battery at optimal temperature.

I first thought we were about to see the actual moment when it was about to blow. But this is post mortem autopsy.

You can burn your house down in many different ways. Knocking over a poorly placed candle, or dropping a napkin on the electric stove are much more likely than a fault in the wiring, and the insurance company will pay out just the same. They would have to show that you were grossly negligent.

24v 12a is not that much more at 288watts. I’m sure I’m missing something to do with electromagnetism which makes the secondary unnatractive?

That wouldn’t make things any safer, per se. It would give you an additional diagnostic datapoint as to which of the two 120V inputs has the reversal. But the primary symptom of a hot-neutral reversal is the angry buzz from the third relay combined with the third light not coming on.

I’m not remotely an experienced sports shooter, so I can have trouble tracking fast-moving subjects under the best of circumstances. Already finding tracking fast action closely challenging, I found tracking fast action closely based on a series of static images delayed by 1/10 second or more was quite a bit harder still. After a little practice, I got better at doing so, but I sometimes found myself resorting to tricks like keeping both eyes open while shooting, or shooting in short bursts and using the time between bursts to get the subject properly framed with full-time live view again.

The AVIC-W8400NEX flagship has a 7-inch capacitive touchscreen, while the AVIC-W6400NEX has a 6.2-inch capacitive touchscreen, and the AVH-W4400NEX has a 7-inch display with resistive touch capabilities. The receivers support both Google Assistant and Siri and can operate wirelessly via Bluetooth, Wi-Fi, or wired through a Lightning connection. Additionally, you can control your smart home devices through the units, including things like a garage door, locks, or lights.

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When I was a kid I built a Tesla coil using a 12kV neon sign transformer which my mom got for me (this was the 1960s, before Americans turned into wimps). At some point I had the transformer sitting on my workbench and plugged in, with nothing connected to the output. The corona discharge made a hissing sound, but I had music on and couldn’t hear it. Perhaps eight inches away was my table radio, which had a metal chassis. I reached between the two to get something, and my arm shortened the air path enough for an arc to form. I had a couple of nifty burn marks (entry and exit) for a few weeks.