Could a hole be drilled in the back of the box so that the wire could get directly to the box with the without exposure to the environment

It’s possible, than how are you going to mount the box. The screw holes are behind the plug to mount the box. You have knockouts on the sides, top and bottom to run your wire. You can use conduit to protect the wire from the elements and the cover closed and locks to protect your plug.

Do those have slotted knock out plugs for the 240 vac circuit and wires in to the electrical plug?

The knock-out plugs are not slotted and are barely punched into the metal. The only way to knock the plugs out is to drill the needed holes. This is a horrible plug and I would not advise buying it. There is not enough room to bend the wires behind the plug and the terminals will not fit #6 wire needed to feed 50A. I threw mine away and bought one from Home Depot, which I installed in about 15 minutes.

Is it made of steel, and if so, what gauge is it?

It is made of steel. Thought to be around 12 gauge. Need a knock out tool to knock out the knock outs.

Includes the receptacle?

Dear Customer Yes, the receptacle includes. And we upgrade the power box, there are 3 Pre-Drilled holes and “knockout” holes for 1/2”, 3/4”, and 1” conduit. You can choose the suitable hole for your need. Hope this is helpful and if you have any questions please contact us feel free.

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RVGUARD 50 Amp 125/250 Volt RV/EV Power Outlet Box, Enclosed Lockable Weatherproof Outdoor Electrical NEMA 14-50R Receptacle Panel, ETL Listed

Product ID: 208340887

Details

Brand
RVGUARD
Color
50 AMP
Compatible Devices
RV
Material
Metal
Product Dimensions
6"L x 5.1"W

⚡50 Amp high power capacity

🔒Lockable for enhanced safety

🌧️Weatherproof heavy-duty metal build

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EC$235

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Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Power your adventure with confidence and style!

SECURE YOUR CONNECTION - Integrated lock keeps your power outlet safe from tampering and protects children, giving you peace of mind on the road.
POWER UP ANYWHERE ANYTIME - 50 Amp, 125/250 Volt NEMA 14-50R receptacle delivers robust, reliable power for your RV, EV, or trailer—campground ready.
BUILT TO BRAVE THE ELEMENTS - Heavy-duty powder-coated metal enclosure with rubber gasket seals out moisture and dust, ensuring long-lasting outdoor durability.
CERTIFIED QUALITY CONVENIENCE - ETL listed for safety and performance, with pre-drilled holes for quick, hassle-free installation—patented innovation you can trust.
SPACIOUS USER FRIENDLY DESIGN - Generous internal space and removable knockout panels allow easy cord management—even with bulky plugs—and flexible conduit installation.

The RVGUARD 50 Amp 125/250 Volt NEMA 14-50R power outlet box is a compact, weatherproof, and lockable outdoor electrical panel designed for RVs, EVs, and trailers. Featuring a durable powder-coated metal enclosure, ample internal space for large plugs, and ETL certification, it ensures safe, reliable power delivery in any outdoor setting. Its patented design includes removable knockout panels and a secure locking mechanism, making it the ultimate power solution for the modern mobile professional.

Specifications

Manufacturer	RVGUARD
Part Number	ARGRP50
Item Weight	4.93 pounds
Product Dimensions	6 x 5.1 x 0.04 inches
Item model number	ARGRP50
Size	50 AMP RV/EV OUTLET BOX
Color	50 AMP
Style	Compact
Finish	Powder
Material	Metal
Voltage	250 Volts
Wattage	12500 watts
Amperage Capacity	50 Amps
Installation Method	Screw In
Item Package Quantity	1
Certification	etl listed
Included Components	1
Batteries Included?	No
Batteries Required?	No

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EC$235

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Saint Vincent and the Grenadines.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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