1. Marine Shore Power Adapter: 30 Amp L5-30P to 20/15 Amp 5-15R 5-20R plug. Converts a 3 prong locking power connector to a household regular straight blade connector. Electrical rating: 20 Amp, 125 Volts, 2500 Watts.2. L5-30 Male Plug: compatible with NEMA L5-30P 30 Amp 125V locking 3 prong RV male plug. A 3 prong locking plug commonly found on RVs, generators and marine shore power.3. Household T-blade Outlet: compatible with NEMA 5-15R / 5-20R, 15/20 Amp, 3-prong regular household T-blade female connector. Useful for connecting to shore power at marinas to power boats and onboard electronics.4. Cable Built to Last: molded plug, copper wiring coating, flame retardant and UV resistant materials. 3 conductor 10AWG construction, with an indoor or outdoor water resistant jacket, effectively preventing surface oxidation. This makes it the ideal choice for outdoor usage.Use scenarios:- At a marina or dock, connect a shore power pedestal to boat onboard electronics and appliances by translating a locking L5-30P outlet to standard household 5-15R/5-20R receptacles.- With a generator or RV setup that provides a L5-30R outlet, use this adapter to power household devices up to 125V and 20A (up to 2500W) from the locking power source.- Outdoor or marine applications such as camping, boating, or dockside upgrades where weather exposure is likely, thanks to the UV resistant jacket and flame retardant materials.