EXCELFU NEMA 14-50R 50A 125/250V EV Power Outlet Box — Lockable Weatherproof Metal Enclosure

EXCELFU 50 Amp 125/250 Volt NEMA 14-50R outlet box is a weatherproof, lockable EV charging receptacle built for safe Level 2 home, RV, and outdoor power connections.

Designed for homeowners, RV owners, and contractors who need a rugged, code-ready outlet for electric vehicle charging or high-load appliances, this NEMA 14-50R box delivers a durable connection point rated for 50 amps and 125/250 volts. The heavy-gauge metal enclosure with a swing cover protects the receptacle from rain, dust, and UV exposure while a lock feature deters tampering. Brass terminals and copper contacts ensure reliable conductivity for frequent charger insertions.

How does this outlet handle outdoor weather and security?

The enclosure is engineered to meet Type 3R weather-resistance standards, shielding the receptacle from rain and dust during outdoor installation. A spring-assisted swing cover keeps water out when not in use, and the door can be secured with a padlock to prevent unauthorized access and cable theft.

• Type 3R metal box resists rain, snow, and UV exposure
• Lockable door prevents tampering and unauthorized disconnection
• Durable finish and gasketed cover for long-term outdoor use

What makes the electrical connections reliable for frequent charging?

This receptacle uses brass terminal blades and copper contacts that deliver high conductivity and resist wear from repeated plugging and unplugging. The internal components and impact-resistant nylon parts are selected to withstand heat and mechanical stress typical of Level 2 charging environments.

• Brass terminal blades for durability under frequent insertions
• Copper contacts for stable power transfer and low resistance
• High-impact, heat-resistant nylon/thermoplastic components

How easy is installation and wiring for this NEMA 14-50R box?

The box supports both indoor and outdoor mounting and provides multiple wiring knockout locations so you can route heavy-gauge cable from the top, side, or back. Marked circles on the enclosure are not pre-drilled; you’ll need a drill and hole saw to make wiring openings per the installation manual and local electrical code.

• Mounts to wall or pedestal; suitable for garage, driveway, or yard
• Multiple sides for routing heavy-gauge cable into the box
• Clear instructions available; drill and hole saw required for wiring holes

Is this outlet compatible with my EV, RV, or other equipment?

The unit is a standard NEMA 14-50R receptacle rated at 50 amps and 125/250 volts, compatible with common Level 2 EV chargers and many RV shore power cords and large appliances. The box accommodates the bulk and handle of large 50A cords while allowing the lid to remain closed when in use.

• Standard 50A NEMA 14-50R fits most Level 2 EV charging plugs
• Roomy interior accepts heavy-gauge wire and large connector handles
• ETL listed for safety and recognized for residential installations

Who is this for: The EXCELFU 50 Amp NEMA 14-50R outlet box is aimed at homeowners installing a dedicated Level 2 EV charge point, RV owners needing a secure outdoor shore power connection, and electricians or contractors specifying a lockable, weatherproof 50A receptacle for high-load circuits. Choose this unit when you want a rugged, serviceable outlet that supports frequent charging cycles and protects the connection from weather and tampering. For safe installation, consult the included manual and a licensed electrician to ensure compliance with local codes.