It looks like everyone posting here is pretty knowledgeable... And,
remember the breaker is there to protect the wire from overheating, it
is not intended to protect the electronic device on the end of the
wire - and it won't...
For those reading who may want a bit more information go to ...

http://tinyurl.com/3bgh7e

It is not just the voltage and current but also the length of the wire
run...

denny
MV Levitation