Shop Nilight 50 Amp RV Female Replacement Plug 125/250 Volt Heavy Duty Receptacle with Handle ETL Listed NEMA 14-50R for Camper Caravan Motorhome Van Trailer in high quality, support 2 year warranty. Our RV replacement plug has been tested at an ETL laboratory and found to meet all applicable Standards for Safety published by relevant NRTLs. ETL certification follows the same safety standards as Underwriter Laboratories or UL.