Google reportedly paid Andy Rubin $90 million after he allegedly coerced sex from employee | Lrd12 Overload Relay

I think most people recommend having the PSU switched off at the wall. That way it should be pretty much safe, but there is still the other issue you mention.

I can’t think of any good reason for a toggle switch to get hot. If I ever found a hot toggle switch, I’d call that a fire hazard and recommend repair.

True enough; This hack goes back decades floor finishers who have large floor sanders use this hack to run their large sanders.

Actually there are checklists, especially for people working on substations and other really high voltage/high energy stuff. But if a moron decides to skip the checklist it won’t help you any. Checklist are not infallible, not even in aviation.

I’m wondering why nobody is simply rectifying a 120vac input for dc wiring the secondary coil? It means you don’t have to swap the coil location or use a dc power supply. I have a trans with a secondary resistance of 82ohms. Putting 120vdc through it would be about 175watts (assuming I do a good job of determining wire size and 1.46amps is ok)

“I don’t think” – hehehe I’ll agree with that. My utility company provides 3rd world electricity in August. Most days the juice drops to 103 without anything on in the house. I’d love to have as much as 110. Fortunately, the L1 car charger works down to 100, and the L2 stuff works at 187 – the lowest I’ve measured. 5 big reasons why the juice is so bad, but then I’m not paying for the loss, so its not a biggie with me. Just worry a bit about the refrig and freezer.

In the next part of this article we will venture inside some of the typical devices you will be working with to examine the individual hazards and techniques you might encounter.

The number on this photo is a little misleading. 337 mpg! I think I shot it after having the car for about ten minutes, nearly all of it without using the petrol engine. Still, it’s a nice little tease for any friends riding along.

> those who haven had the opportunity to study electricity or had made the effort to study it. Can’t let Darwin wipe them out when they happens to the target market… Even worse is that there are people that want to build printers on their own, but are not qualified to wire stuff to line voltage safely.

Michael Ashbaugh writes technical analysis for MarketWatch and is editor of MarketWatch’s "The Technical Indicator" newsletter.

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I used a bridge rectifier from a stick welder, it takes 120vac down to 63vdc with no load. Out put it into a pair of MWT primary coils in parallel. Just like this one. Works but draws too much current. The field strength is around 300 pounds. The coil resistance is about 3 ohms, and draws around 20 amps.