Can I combine two 120 volt lines into a 240 volt 4-wire plug using two 120 volt outlets?

Answer 1

i was wondering can i hook the white and black wire to the black power wire and make 240 volt for a welder and wheere would i hook my neutral

Answer 2

i was wondering can i hook the white and black wire to the black power wire and make 240 volt for a welder and wheere would i hook my neutral