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I only know about SF6 circuit breakers in theory. The only thing I can say is that SF6 is an environmental hazard as it is a very potent greenhouse gas. I think checking for leakages is probably...

It's a smaller and quicker circuit breaker that uses SF6 to 'quench' the arc. Unfortunately SF6 is a very unpleasant gas.

Joules is a unit for energy.
Your question is not really clear. If you want to know the amount of energy required to heat an amount of water to a certain temperature then you need to Google the...

Three phases are used to sort of 'simulate' DC.
Why not use DC in the first place?
Because it is difficult/expensive to step DC up or down.
Why step it up/down?
Because the higher the voltage,...

Congrats on your lovely boy!
Count yourself lucky that he is being a good dad. That's worth a lot. Be as 'adult' as you can and try not to imagine you will ever be a couple again. Your son will...