UL & cUL listed NEMA 7-30 plug molded with SJT 10AWG cable for max 30 AMP loading. Heavy-duty round power adapter cord, 100% copper conductor inside. Test electrical function by UL & cUL standard. Power cord for assembly DIY attached on your equipment work for L7-30 outlet. Measures total length (include plug): 41.5 inch, Jacket of cable: 33 inch, Rid off jacket: 5.5 inch Working rate: 8310 Watt ; 30 ampere ; 277 voltage. Color: Black