stio 20A 125V RV shore power inlet plug with 5-in-1 T-blade adapter — 16" 12AWG extension, weatherproof outdoor receptacle

The stio 20A 125V shore power inlet is a weather-resistant, plug-and-play marine and RV power receptacle that includes a 5-in-1 T-blade adapter and a 16" 12AWG extension for versatile outdoor electrical hookups.

This inlet assembly combines a durable 20-amp, 125-volt socket with a multi-fit adapter and a short power pigtail so you can connect a wide range of plugs without rewiring. Built with heavy-gauge 12 AWG copper conductors and a rugged nylon housing, it’s designed for outdoor applications where a secure, watertight AC connection is required. The integrated rubber cover protects the receptacle from rain, snow, and dirt while the flanged, flush-mount body fits common panel openings for a straightforward installation.

How does this inlet handle different plug types?

The included 5-in-1 T-blade adapter accepts five common male plug configurations so you can use one inlet for multiple devices or shore power standards. This removes the need for multiple dedicated sockets or additional adapters in many situations. Note that when using certain 6-15 or 6-20 plug types, connected equipment must accept a wide input voltage range (110–250V).

• Accepts NEMA 1-15P, 5-15P, 5-20P, 6-15P, and 6-20P male plugs
• Single female inlet with removable multi-fit T-blade adapter
• Saves panel space versus multiple dedicated inlets

How robust and weatherproof is the stio inlet for outdoor use?

Stio designed this inlet with a weatherproof cap and a sealed body to keep moisture and debris out of the electrical contacts. Materials include a reinforced nylon exterior and copper conductors sized for reliable current flow under typical outdoor and mobile conditions. The pressure-fit rubber cover snaps shut to maintain a water-resistant seal during storage or inclement weather.

• Snap-fit rubberized cover for watertight protection
• Black nylon housing resists UV and impact
• Suitable for snow, rain, and salt-spray environments

What are the electrical and installation details I should know?

This inlet is pre-wired with 16 inches of 12 AWG copper cable, rated for 20 amps at 125 volts, to simplify installation and eliminate on-site splicing. The flanged, flush-mount design fits a typical 2" panel cutout and secures with screws for a neat finish. No hand-wiring is required for most installs — simply mount, route the pigtail, and connect to your distribution system or extension.

• 20A, 125VAC rating with 12 AWG copper conductors
• 16" pre-attached extension cord for quick connection
• Flush-mount flange fits standard 2" hole openings

Where can I use this inlet and what vehicles or sites is it suited for?

The compact, weather-ready construction makes this inlet a flexible choice for mobile and stationary power access points. It’s commonly used on RVs, trailers, boats, utility vehicles, and small building exteriors where intermittent shore or generator power is needed. The adapter set and short cord let you adapt to local shore power standards without rewiring.

• Ideal for RVs, boats, trailers, golf carts, and utility vehicles
• Works for sheds, cabins, and outdoor electrical panels
• Good for temporary shore power and generator hookups

Who this is for: If you need a compact, no-fuss outdoor power inlet that accepts multiple common plug types and installs quickly, the stio 20A 125V shore power inlet is a practical choice. It fits owners of RVs and boats, small fleet vehicles, and property owners who want a weatherproof, ready-to-use AC inlet without custom wiring. Choose this unit when you want a durable, multipurpose inlet that minimizes panel clutter and adapts to varied shore-power situations.