50A to 30A Marine Shore Power Adapter – Stable & Reliable Power Conversion

This Shopcorp marine-grade adapter cord converts a 50 Amp SS2-50P male plug to a 30 Amp L5-30R female outlet, providing a secure and dependable shore power connection for marine and RV electrical systems. Designed for docks, boats, RVs, and generator hookups, it ensures consistent power delivery in demanding outdoor environments.

Heavy-Duty STW 10AWG Cable for Marine Use

Built with premium STW 10AWG 3-wire cable, this adapter supports 125/250V operation and up to 12,500 watts of total power output. The rugged construction offers excellent resistance to heat, moisture, and abrasion, making it ideal for long-term marine and coastal applications.

Marine-Grade Materials & Certified Safety

Featuring solid brass contacts and durable PVC insulation, this marine power cord delivers superior conductivity and corrosion resistance. Molded strain relief and an ergonomic grip enhance safety and ease of use. Fully UL and ETL certified, it meets strict safety and performance standards.

Ideal for Marine, RV, and Generator Shore Power

Whether connecting shore power at a marina, adapting an RV hookup, or powering equipment from a generator, this 50A to 30A adapter ensures compatibility, secure locking connections, and efficient energy transfer.