Just as I surmised, at 20 amps, the welder could weld thin sheet metal. When I cranked up the amperage for heavier material, it blew a breaker.

The science pros at TKOR show how to make a homemade stick welder using microwave parts. Hugh Jackman's ex-wife Deborra-Lee Furness breaks silence on divorce: 'Betrayal' and 'liberation' ...