30AMP 277Volt Nema 7-30P Plug 30A 277V Heavy Duty Plug, 3 Pole 3 Wire Grounding Straight Blade Plugs for Welders, Work with Cable OD Max. 1.0 Inch

[IMPORTANT: This is Nema 7-30P 30AMP 277VOLT DIY (Rewireable) AC Power plug, It is very special, Please see our picture illustration before you buy the item. | Material :Plug shell cover in pure Nylon (Nylon UL 94-V0), compliance with ROHS REACH. Metal pin in Bass (pure copper), Strain reliefs in PVC. | [Support CORD OD MAX.1.06 Inches] The plug designed for cord SJT STJW STO SJTO SO ST SRD SVO Etc, 12AWG/10AWG 8AWG/6AWG 3 Conductors, | The straight blade wiring devices are designed for industrial and commercial applications. The nylon housing of insulated design shields exposed metal parts on hand-held side. The industrial strength, metal blades and contacts resist heat rise, provide excellent conductivity. The internal dust shield design keeps terminals free of contaminants | Brass Terminals are easy to install. Copper wires from 12AWG to 6AWG can be tightly installed. We offer 2 optional SR (Strain relief), 12AWG Cord use 12AWG+10AWG SR together, 10AWG cord use only 10AWG SR, Cable OD larger than 10AWG, use the metal pressure only