30 amp RV Power Extension Cord with LED Power indictor - 30 Amp Male to 30 Amp Female Standard Plug 30 Foot
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SEEUTEK 25 ft. 10/4 30 Amp Generator Extension Cord 4 Prong 125-Volt Indoor/Outdoor Extension Cord L14-30 with Lighted End Black BZ-1398 - The Home Depot
Amazon.com: Cable Matters 3 Prong 30 AMP RV Extension Cord 25 ft (30 AMP RV Power Cord, 30 AMP Extension Cord) - 25 Feet (NEMA TT-30P to TT-30R) : Tools & Home Improvement