Hi,
I want to use a variac that I've got (4A rating) to power one of these:
http://www.omega.co.uk/ppt/pptsc.asp?ref=FGS_FGH_FWH&Nav=heam02
but a 240V version. The problem is I can't figure out if the variac that I've got has sufficient grunt to do it (without frying me, the variac or...