Journeyman-Pro 2613 30 Amp, 125 Volt, NEMA L5-30R, 2P, 3W, Locking Female Plug Connector, Black Industrial Grade, Grounding 3750 Watts Generator Rating (L5-30R Female Plug) - Amazon.com
Leviton 7313-S00 - 30 Amp 125 Volt 2 Pole Flush Mount Straight Blade Receptacle
30 Amp, 125/250 Volt, NEMA L14-30P, 3P, 4W, Locking Plug, Industrial Grade... – Leviton
Journeyman-Pro NEMA TT-30P, 30 Amp, 125 Volt, Straight Blade Male RV Trailer Plug Connector, Black/Yellow Industrial Grade, Grounding 3750 Watts Generator TT30 (TT30P-YELLOW) - Walmart.com
Leviton 30 Amp 125-Volt 2-Pole Angle Travel Trailer Plug, Black R50-00830-00T - The Home Depot
Legrand 7411SS Pass, Seymour Locking Plug Black & White Non-NEMA 30-Amp 125-Volt | eBay
Leviton 30 Amp 125/250-Volt Locking Plug, Black and White R50-02711-0CS - The Home Depot
Legrand - Pass & Seymour Industrial Power Outlet with Straight Blade Receptacle with 125 Volts to Use as Industrial Outlet, 3830CC6, 1 Count - Electric Plugs - Amazon.com
AC WORKS 30-Amp 125-Volt NEMA L5-30p 3-wire Grounding Heavy-duty Locking Plug, Orange in the Plugs & Connectors department at Lowes.com
30 Amp 125/250V L14-30P Male Twist Type Locking Power Plug