Manufacturer FAHKNS. ETL Certified: 50 amp generator plug: 14-50P to SS2-50R, STW 6/3+8/1 AWG, 20 feet with twist lock. Once locked, the cord remains secure against vibrations, impacts, and strong winds.,Ergonomic handle: The NEMA 14-50 extension cord features an ergonomic handle that makes it easier and safer to plug and unplug, lowering the chances of damaging the plug or causing injury.,Widely Used: This 50 amp power cord works with most generators.