Thanks for your quick reply.
I've just gone through all the labels of the items, and totted the wattage up:
200w, 600w, 20w, 25w, 125w, 125w, 25w, 200w, 450w, 8w, 8w, 13w, 40w
I make that 1839watts
Now, If I've done my calculations correct... this means that's 7.6625watts based on...