L14-30P 30 Amp Plug Generator 125/250 VAC 3 Pole 4W 4 Prong NEMA Twist Lock Male Receptacle Plug 3 Pole Industrial Grade

NEMA L14-30R Locking Receptacle 125/250V, 30A by Powertronics Connections (TM)

Powertronics Connections, NEMA L14-30 Connector

Leviton 2711 30 Amp, 125/250 Volt, NEMA L14-30P, 3P, 4W, Locking Plug, Industrial Grade, Grounding - Black-White

Leviton 2710 30 Amp, 125/250 Volt, Flush Mounting Locking Receptacle, Industrial Grade, Grounding, V-0-MAX, Black

Superior Electric YGA017 Twist Lock Electrical Plug 3 Wire, 30 Amps, 250V, NEMA L6-30P

Powertronics Connections, NEMA L14-30 Plug

L14-30R 30 Amps 125/250V 4 Prong Generator Twist Locking Plug Connector Female Receptacle

Journeyman-Pro 2713 30 Amp, 125/250 Volt, NEMA L14-30R, 3P, 4W, Locking Plug Connector, Black Industrial Grade, Grounding 7500 Watts Generator Rating (L14-30R (Female Plug))

Reliance Controls Corporation PB30 30-Amp NEMA 3R Power Inlet Box for Generators Up to 7,500 Running Watts