Firefox Monitor will let you know if your data has been stolen | Lrd12 Overload Relay

It may be just perception coloured by the general work environment, but a lot of the US regs seem driven by liability concerns. Too many lawyers.

If you really have to work on a live circuit, electrically isolate yourself and try to work with only one hand. Put the other one in your pocket. That way the risk of closing a circuit through your body is much smaller. Also don’t work in a hurry, carefully plan your actions and slowly do them. Use nonflammable clothes. Use electrically protective gloves. Use face protection.

Sources: licensed mechanic-level electrician Joe Amato; licensed master electrician Johnny Goudie, owner of John Goudie Electric in White Plains, Maryland; master electrician and electrical contractor Al Hildenbrand, owner of Al’s Electric works in Minneapolis, Minnesota; Dmitri Kara, senior executive of London-based Fantastic Handyman

I’ve been complaining for years about similar inabilities to do math with respect to diesel fuel. “Oh, but look at the high number I can calculate!” they all cry–as they pump their tanks with a fuel that’s 33% more expensive than gasoline.

To take it a step further, I’d take the time to measure the amperage on the circuit. I wrote a blog post dedicated to that topic, titled Using an infrared camera to find an overloaded circuit. Many home inspectors are opposed to doing this type of test, and I say those home inspectors shouldn’t bother scanning an electrical panel. If a home inspector isn’t going to measure amperage, I don’t know how they could report on an overloaded circuit.

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inserts probes into amperge socket sets to VAC and measures 120v wall socket meter goes bang and lets blue smoke out

Window AC units blast for hours at time and use massive amounts of energy. An extension cord—and usually even sharing the circuit powering your AC with something else—overloads the wires. If they get too hot, the wires could short out and start a fire. Make sure the unit gets its own circuit, meaning a switch on your electrical panel dedicated to your AC and nothing else. Here are 11 more home safety risks and how to avoid them.

I recall doing the exact same as a kid when in france, on holiday. The french also have those so seductive to interested kids 2-Prong plugs with a gap of ‘just’ that size….

Wonder how long it’ll be before Toyota marketing changes Aygo to Starlet, the Yaris to Tercel, GT-86 a Celica and CR-H a Space Cruiser?

When building my printer, I also didn’t like the then state-of-the-art heated PCBs. Thus, I ordered a bespoke silicone heater mat from China, mains voltage, 400 Watts of heater power. Add an aluminium plate to the top and ground it, and safety will be sufficient. I use an SSR embedded into a wall-wart form factor project case with plenty of snubber circuits. Cons: More expensive than a PCB Pros: Heats up incredibly quickly, reasonably priced, won’t get damaged by prolonged high temperature, easy to make non-life-threatening.

When I was doing rehab work on old Chicago apartments I would often find electric wires run through abandoned gas lighting pipes, ready made conduit going to where the old gas light fixtures were, not exactly code and very confusing, especially since there were “live” gas pipes mixed up in the walls and ceilings with the ones carrying Mr. 120!