Trailer extension cables

Unique Bargains 2m/6.56ft 7Pin Trailer Light Board Extension Cable with Trailer Wiring Plug Socket Connector for RV, Size: 3.31x2.56(Large*W), Black

QWORK 3M Trailer Extension Cables with 7 to 7 Pin Trailer Adapter

Nato 12 Way Chassis Mount Plug for Trailer Extension

7 Way Trailer Extension Cord - 4 feet - Double Prongs Connector

SPARKMOTO Spiral Extension Cable 7 Pin with Metal Male Plug, 12 V

Service Best International BV

7 Way 4 feet trailer extension cord plug trailer cord with double

Lights and plugs for trailers and caravans

Pendant Caravan Extension Cable 7 to 13 Pole 2.5m Connection

118664, 7-Way Connector Extension Cable

Trailer Extension Connecting Cable Lead 7 Pin 2M Male to Female

Would these extension cords not be useful for my 30A trailer? It

Extension Cords: Outdoor, Flat-Plug & More

CURT 7' Original Equipment Wiring Extension (Routes 7-Way RV Blade

AA Ignition 7 Way Trailer Extension Cord - 4 Feet - Double Prongs Connector - 7 Pin Trailer Wiring Connector Plug - Gooseneck Hitch Extende