Amazon.com: Parkworld Generator 4-Prong 30amp Flat Extension Cord for Transfer Switch and EV Charger, NEMA L14-30P to L14-30R Female with Lighted. (25FT) : Patio, Lawn & Garden
50 Amp NEMA 14-50 RV Extension Cord,14-50P to 14-50R Heavy Duty STW Wi – Tooliom
Amazon.com: Pulsar 30AMP 125V Twist Lock Generator Flat Extension Cord (25 Feet) Three 15AMP Household 125V outlets, LED Indicator, Weather Resistant, 10 Gauge Wire, Portable Generators for Home use : Patio, Lawn