Ayejay: In response to kiwifidget question on page 1 of this forum,
'There are RCD things in the switchboards so the whole house is RCD protected, yes?'

Well, NNNnoooooo!!!!!!
RCD in your home switchboard will not provide adequate protection for wet works with power tools. You can get a sparky to install a suitable protection device in your switchboard, otherwise you need to buy a plug in RCD. The multi boxes that say surge protection don't cut it either, the cheapest options from mega10 are i think goldair, at about $30. They need to have test, reset buttons on them with the little red light. They will trip out within 1/100th seconds with a minute imbalance in the power supply that suggests you are earthing power through your wet hands!

I have one of those test/reset plugs and I have been using it, just in case!

Thanks for the warning.