Back in the day the UK before EU harmonisation the nominal single phase domestic voltage was 240V ac and within a range of +10% and -6% ie 264V and 225.6 V Under EU harmonisation it is 230V +10% and -6% ie 256 V and 216.2 V. I can assure you that voltage control at Primary substations in the UK 33KV/11KV was lowered to the new nominal for the nominal voltage at secondary substations 11KV/415V/230V. A good thing really as it saves energy 
Since GM was having troubles with said DOPES regarding the 2011 VOLT, they quickly redesigned the current and all future units to have an AWG #14 connector cord, while keeping the AWG #16 connector cord to the car – why? – so that the oversized connector cord would extract heat from any overheating defective receptacle.
In my experience there are only TRIACs that are in perfect working order or TRIACs that have exploded.
As you said yourself, low current. There is good reason to worry about mains power. The most common breaker is 15A, and that is about 15 times what is needed to kill you. It won’t trip right away either, unless it is so old and weak that it needs replacement anyhow.
https://www.ul.com/newsroom/publicnotices/ul-warns-of-solid-state-relay-with-counterfeit-ul-recognition-mark-release-13pn-52/
Indeed, I did a HV Course at a functioning power station where once you had isolated an 11kV switchboard you had to grab hold of the bus bars to show the other workers it was safe to carry out their work.
Later while an engineering student I worked in a factory where they built video projection systems with a 30kV final anode voltage
A better choice is to spend a few hundred dollars to have an electrician install a dedicated 240-volt circuit – like those used for an electric clothes dryer – to take advantage of what’s called Level 2 charging. This can replenish a depleted battery in around four hours. You’ll also need to purchase an external Level 2 charging unit, which is also called the electric vehicle service equipment (EVSE).
He welded the base of the magnets to the plate that is hold directly to the crane with a hook. Look again.
The melted solder was probably a secondary failure. When SSRs fail they often turn into heaters as his did and the heat from the base plate itself melted the solder before incinerating the plastic housing.
The spark-gap Tesla coil itself was
15A is more like 1,500 times what’s required to kill you, depending on what part of your anatomy it finds to traverse.
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