Suplevel 50A EV outlet box front view for outdoor charging readiness.
Suplevel EV 14-50R receptacle close-up highlights durable connectors.
Suplevel weatherproof metal box with lockable cover for secure outdoor use.
Suplevel outdoor EV box side connection area showing easy installation.
Suplevel interior wiring terminals illustrating robust 4-wire configuration.
Suplevel ETL-certified outdoor charging enclosure conveying safety compliance.
Suplevel lockable door assembly enabling safe, weatherproof operation.

Suplevel

Suplevel 50A EV Outlet Box — Heavy-Duty NEMA 14-50R, Lockable Weatherproof Enclosure (ETL Listed)

High-performance tools and home improvement made for confident daily results

$63.26

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Why customers choose TaskHolt Tools

Overview

Meet the Suplevel 50 Amp EV Outlet Box, a rugged, weatherproof enclosure designed to power outdoor charging setups. It houses a NEMA 14-50R receptacle rated at 50 amps, 125/250 VAC, with a 3-pole/4-wire configuration that supports high-velocity connections and longer charging sessions without compromising safety.

Unlike typical RV outlet boxes, this model uses EV-grade sockets built for frequent insertions and sustained use, delivering a safer and more reliable charging experience with real-world usefulness across multiple setups.

Key benefits

  • EV-grade 14-50R receptacle suitable for compatible chargers and high-current applications
  • Self-grounding, 3-pole/4-wire design for robust electrical performance
  • Spacious interior to accommodate large plugs and clean cable routing
  • Lockable swing cover and weatherproof construction for outdoor or indoor use

Design and installation details

The box includes three pre-drilled replacement kits in different sizes to adapt the knockouts on all four sides. Wiring uses an internal hexagonal screw method and supports 4 AWG to 10 AWG copper conductors, with terminals torqued to 75 in-lbs to ensure a secure, leak-resistant connection.

The generous space makes it easy to close and lock the door even when a large handle 50A plug or heavy-duty extension cord is connected. The metal enclosure is ETL-listed for both indoor and outdoor charging performance, offering a reliable, code-conscious solution for a range of use cases.

Real-world use cases

Ideal for driveways, carports, or campsites where outdoor charging is needed. It suits electric cars, RVs, generators, and welders alike, delivering a sturdy, weather-resistant outlet that can stand up to routine outdoor exposure.

What you get

  • NEMA 14-50 Outlet Box
  • 24/7 friendly customer support
  • 24-month warranty

FAQ

Q: What devices is the Suplevel 50 Amp Outlet Box compatible with?

A: Designed for EVs, RVs, generators, and welders, with a NEMA 14-50R and a 3-pole/4-wire configuration.

Q: Is the enclosure weatherproof and ETL-listed for outdoor use?

A: Yes. The metal enclosure is weatherproof, lockable, and ETL-listed for indoor and outdoor charging.

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