Plain and simple question, is the magsafe 'hotpluggable'? i.e. if i turn on the wall socket before plugging it to my macbook/ or if i unplug the magsafe from my macbook without first turning off the wall socket, will that spoil my mac?
It is a pretty smart plug, it will also switch to 100% plug power with no phantom drain if you leave it plugged in...so you won't trash your battery by plugging it in like most laptops out there!
The power adapter is pretty cool with whatever you do to it - just don't stick it in one of those industrial plugs that put out like 1000V and you'll be fine