hi i`m looking to buy a mig welder in the next week or 2 as i have some welding to do on my land rover discovery (few holes in the chassis and body) and a few other stuff so i am looking at a Wolf Mig 140 Gas/No Gas Mig welder + kit or MIG-200COMO thing is i do tend to get the bigger stuff so i dont work it as hard main thing is will they run off 230v house mains work or will i have to up the trip swich in the fuse box