i am trying to weld angle iron using a clarke arc welder i am told 115-130A should be ok and am using 3.2 rods the iron is 3-4mm the problem i have is the fuse keeps blowing after a second or two infact 16 fuses later i am still no futher forward. the welder is on hire i did start using a long extension lead untill i was told this is a no no but the problem is still there can some one help!