TrekPower 50 Amp RV Extension Cord vs ZAZFO 50ft 50A RV Extension Cord

Buy the TrekPower if your RV or transfer switch uses a twist-lock inlet, since its SS2-50R connector locks in place and the 90° handle grip makes plugging and unplugging easier. Buy the ZAZFO if you need a straight 14-50R receptacle for an EV, welder or standard 14-50 outlet. Both are 50 ft, 50A, 6/3+8/1 cords with weather-resistant jackets. The TrekPower has a perfect but small rating base; the ZAZFO has more ratings at 4.5 and adds an explicit IP65 and ETL claim.

• Choose the TrekPower if your equipment has a NEMA SS2-50 twist-lock inlet and you want a locking connection with a grip handle.
• Choose the ZAZFO if you need a standard NEMA 14-50R female end for an EV charger, welder or 14-50 outlet.