50A RV Power Outlet Box NEMA 14-50R | ETL Listed Outdoor RV Receptacle Box for RV, Trailer & EV Charging

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Power your RV, trailer, or EV safely with this 50A RV Power Outlet Box featuring a NEMA 14-50R receptacle, 125/250VAC operation, durable steel enclosure, and lockable weather-resistant lid. ETL Listed and designed for both indoor and outdoor installation, it provides a reliable power connection for RV parks, campgrounds, homes, garages, and EV charging applications.

Heavy-Duty 50A RV Power Supply

Delivers up to 50 amps of power and supports high-demand RV electrical systems, trailers, motorhomes, and EV charging equipment.

NEMA 14-50R Receptacle

Equipped with a standard NEMA 14-50R outlet, one of the most widely used connections for RV shore power and Level 2 EV charging applications.

125/250VAC Dual Voltage Support

Supports 125V and 250V AC power, providing flexibility for various RV and charging system requirements.

High Power Output up to 12,500W

Capable of handling up to 12,500 watts, making it suitable for powering air conditioners, appliances, battery chargers, and other high-load equipment.

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Description

50A RV Power Outlet Box NEMA 14-50R | ETL Listed Outdoor RV Outlet

50A RV Power Outlet Box NEMA 14-50R

The RM50PB-22 50A RV Power Outlet Box with NEMA 14-50R receptacle is a professional high-power connection solution for RV owners, trailer users, campground operators, homeowners, workshops, and EV charging installations that require a safe and dependable 50 amp power outlet.

Built for 125/250VAC operation at 50/60Hz, this RV receptacle box delivers up to 12,500W of maximum power for RV shore power, travel trailers, fifth wheels, motorhomes, compatible Level 2 EV charging equipment, battery chargers, appliances, and other high-load electrical applications.

The outlet box uses a hardwired 3-pole, 4-wire configuration with integrated grounding to support stable power distribution and enhanced electrical safety. The standard NEMA 14-50R outlet provides broad compatibility for RV and EV power setups.

A heavy-duty steel enclosure and lockable protective lid help improve durability, impact resistance, access control, and protection during indoor and outdoor installation. The ETL Listed design supports reliable performance for residential and commercial use.

With a compact size of 12.5 x 5.7 x 4.4 in (31.8 x 14.5 x 11.1 cm) and a net weight of 6.88 lbs (3.12 kg), this 50A RV power outlet box is suitable for garages, driveways, RV parking spaces, campgrounds, RV parks, workshops, commercial facilities, and EV charging locations.

  • Heavy-duty 50A RV power supply for high-demand RV electrical systems, trailers, motorhomes, and compatible EV charging equipment.
  • Standard NEMA 14-50R receptacle for RV shore power and many Level 2 EV charging applications.
  • 125/250VAC dual voltage support with 50/60Hz frequency for flexible electrical connection requirements.
  • Maximum power capacity up to 12,500W for air conditioners, appliances, battery chargers, and other high-load equipment.
  • Durable steel enclosure designed for strength, impact resistance, and long service life in demanding environments.
  • Lockable protective lid helps prevent unauthorized use and safeguards the receptacle area.
  • ETL Listed construction supports recognized electrical safety compliance and dependable operation.
  • Integrated grounding design enhances electrical safety and helps protect connected equipment.
  • Suitable for indoor and outdoor installation in RV parking spaces, campgrounds, garages, driveways, workshops, commercial facilities, and EV charging locations.
  • Hardwired installation with a 3-pole, 4-wire configuration for professional electrical setup.
  • Single outlet design provides one reliable high-power connection point.
  • Compact 12.5 x 5.7 x 4.4 in enclosure helps simplify placement in residential and commercial installations.
  • Net weight of 6.88 lbs (3.12 kg) supports sturdy installation without excessive bulk.
  • Designed for RVs, trailers, and EV charging applications requiring a reliable 50A NEMA 14-50R outlet box.
Product TypeRV Power Outlet Box
ModelRM50PB-22
Outlet TypeNEMA 14-50R
Rated Current50A
Rated Voltage125/250VAC
Frequency50/60Hz
GroundingYes
Maximum Power12,500W
Wiring MethodHardwired
Pole Configuration3 Pole, 4 Wire
Total Power Outlets1
ApplicationRV, Trailer, EV Charging
CertificationETL Listed
InstallationIndoor & Outdoor
Enclosure MaterialSteel
Cover TypeLockable Lid
Product Dimensions12.5 x 5.7 x 4.4 in (31.8 x 14.5 x 11.1 cm)
Net Weight6.88 lbs (3.12 kg)

Refer to the included user manual for mounting, wiring, safety instructions, maintenance information, and installation guidance for the 50A RV Power Outlet Box. Professional installation by a qualified electrician is recommended for this hardwired 50A device.

50A RV Power Outlet Box User Manual

Frequently Asked Questions

A: This power outlet box features a NEMA 14-50R receptacle, a widely used outlet for RV shore power and many Level 2 EV charging applications.
A: The outlet box supports up to 12,500 watts with a 50A, 125/250VAC electrical rating.
A: Yes. The NEMA 14-50R outlet is commonly used with compatible Level 2 EV chargers, making this box suitable for home EV charging installations.
A: The steel enclosure and lockable lid are designed to help protect the outlet during indoor and outdoor installations. Proper installation according to local electrical codes is recommended.
A: Yes. Model RM50PB-22 is ETL Listed, indicating compliance with recognized electrical safety standards.
A: Yes. The unit includes grounding for enhanced electrical safety and equipment protection.
A: Yes. It is commonly installed in residential garages, driveways, RV parking areas, workshops, and similar locations to provide convenient RV shore power access.
A: Yes. Because this is a hardwired 50A electrical device, installation by a qualified electrician is strongly recommended to support code-compliant and safe operation.
A: It is suitable for Class A RVs, Class B RVs, Class C motorhomes, travel trailers, fifth wheel trailers, toy haulers, and electric vehicles with compatible chargers.
A: A NEMA 14-50R RV outlet box provides 50A high-power service, grounded operation, RV shore power compatibility, compatibility with many EV chargers, and durable performance for residential and commercial installations.

Additional information

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