The Superior Electric Welder Extension Cord is what you need when you have to take your welder to the project. The 25ft & 50ft, 8 AWG, 3 conductor UL listed cord has an industry standard NEMA 6-50 Plug and Receptacle, which are what you need for 50 amp circuits. The copper is electrical grade so there’s only a minimal voltage drop to your machine. The cord has heavy insulation to protect the wiring from chemicals and it is abrasion resistant, so when you drag it around the shop over concrete and through mystery puddles, you know you’re still safe. Finally, an extension cord strong enough to use for welding and long enough to actually be useful.