Conntek Marine Shore Pigtail Adapter Cord 30 Amp Shore Male Plug To 15 Amp Connentor Plug (Male): NEMA L5-30P (Locking 30 Amps 125 Volts) Connector (Female): NEMA 5-15R (3-Prong Household) Cable: STOW 10/3 (Marine Grade) Max Rating: 1,875 Watts