EXCELFU 50A NEMA 14-50R RV Power Outlet Box - 125/250V Weatherproof Lockable Iron Enclosure

EXCELFU 50 Amp 125/250 Volt NEMA 14-50R RV power outlet box is a weatherproof, lockable receptacle built to give homes and garages a safe 50A connection for RVs, generators, or EV charging needs.

This outdoor/indoor rated enclosure combines a full-size NEMA 14-50R receptacle with a Type 3R iron box and a swing cover to protect the socket from rain, snow, dust, and UV exposure. ETL-listed and sized to accept heavy-gauge cord and large plug handles, it’s engineered for straightforward wiring and secure mounting near where you park or store your motorhome. The unit's lockable door and roomy interior make it a solid choice for anyone adding a dedicated RV power point to a home, driveway, or campsite patch.

How does this outlet box protect my RV connection outdoors?

The enclosure uses a Type 3R rainproof iron housing and a tight swing cover to keep moisture and debris away from the receptacle. Its construction and ETL listing ensure the socket and wiring remain safe under typical outdoor conditions.

• Heavy-gauge iron Type 3R enclosure resists weather and impact
• Spring-loaded swing cover shields the plug and keeps water out
• UV-resistant finish prevents sun damage over time
• Lockable door prevents tampering and theft of power

What electrical specifications and compatibilities should I expect?

This box houses a standard NEMA 14-50R receptacle rated for 50 amps and 125/250 volts, compatible with most RV cords and many 50A devices. It supports heavy-gauge conductors and is ETL listed to meet recognized safety standards.

• Rated 50A, 125V/250V for RV and similar loads
• NEMA 14-50R socket fits typical 50A RV plugs
• Interior space designed for thick gauge wiring and large plug handles
• ETL listed for verified safety compliance

How do I install and wire this outlet box correctly?

Installation supports both outside and inside mounting; you’ll want the box near where you park and close to the main breaker panel. The marked side and back circles require drilling with a hole saw for wiring passage—follow the included manual or video guide for correct hole sizing and conduit routing.

• Choose an installation spot near parking and the breaker panel
• Use an electric drill and hole saw to create wiring access where marked
• Multiple entry points allow top, side, or back wiring runs
• Front lid stays open for easy wiring and plugs with large handles

What security and practical features does the EXCELFU box include?

The box is built with theft-prevention and user-friendly wiring in mind: lockable doors deter tampering, the interior offers room for heavy wire, and the lid behaves to facilitate working while plugged in. This makes it useful for seasonal RV charging and longer-term installations alike.

• Lockable door to prevent unauthorized disconnects or theft
• Roomy interior for neat heavy-gauge wire termination
• Front lid design supports plugging and maintenance with large handles
• Durable finish and construction for years of outdoor use

Who is this for? Homeowners, campground operators, and DIYers who need a reliable, code-ready 50A outlet for RVs, generators, or high-current equipment will find this EXCELFU NEMA 14-50R box practical and cost-effective. It’s ideal when you want a weatherproof, lockable, and ETL-listed solution that handles heavy gauge wiring and large plug handles—perfect for powering air conditioners, appliances, and onboard systems before hitting the road or for occasional high-current needs in a garage or yard.