Overview Reviews Product Description Legrand L720-P Turnlock Plug 20A 277V 2P 3 Wire, Wire Size 4, NEMA. Product Videos Custom Field Amps 20 Volts 277 Poles 2 Product Reviews Write a Review Write a Review × Legrand L720-P Turnlock Plug 20A 277V 2P 3 Wire, Wire Size 4, NEMA Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *