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AC WORKS® 1.5FT L5-30P 30A Locking Plug to 30A RV Generator Adapter – AC Connectors
Amazon.com: RVGUARD Generator Adapter Plug 3 Prong to 4 Prong, NEMA L5-30R to NEMA L14-30R Locking Adapter. : Patio, Lawn & Garden
Voltec Generator Adapter 04-00214 - The Home Depot
Generator Adapter NEMA L14-30 04-00214 - The Home Depot
Generator Adapter Cord 3-Prong Locking male Plug 30AMP to 30AMP Generator 18" | eBay
Camco PowerGrip Generator Adapter, 30A | Camping World
RV 30 Amp Generator Plug Adapter 4 Prong - RecPro
Camco 55382 RV Generator Power Cord Adapter - 30F/4 Prong
1.5 ft Pro Grip 30A Male/30A RV Female Generator Adapter Cord by Century at Fleet Farm
Amazon.com: Camco Power Grip Camper/RV Generator Adapter | Features a Heavy-Duty 30 Amp Locking Male and Female Connection | Rated for 125 Volts / 3750 Watts (55333) : Automotive