Leviton 5378 50 Amp, 250 Volt Surface Mounting Receptacle Instruction Manual

1. Introduction

This manual provides essential information for the safe and proper installation, operation, and maintenance of your Leviton 5378 50 Amp, 250 Volt Surface Mounting Receptacle. This industrial-grade device is designed for demanding environments, ensuring reliable power connections. Please read this manual thoroughly before proceeding with installation or use.

2. Important Safety Information

WARNING: RISK OF ELECTRIC SHOCK OR FIRE. IMPROPER INSTALLATION CAN RESULT IN SERIOUS INJURY OR DEATH.

• Always disconnect power at the circuit breaker or fuse box before installing or servicing this device.
• Installation must be performed by a qualified electrician in accordance with all national and local electrical codes.
• Ensure all wiring connections are secure and properly insulated.
• Do not exceed the specified electrical ratings (50 Amp, 250 Volt).
• This device is intended for indoor use in dry locations unless protected by an appropriate enclosure.
• Verify proper grounding before energizing the circuit.

3. Product Overview

The Leviton 5378 is a robust 50 Amp, 250 Volt surface mounting receptacle, engineered for industrial applications. Its design prioritizes durability and ease of installation.

3.1 Features

• Heavy-Gauge, Double-Wipe Copper Alloy Contacts: Ensures superior conductivity and long-term durability.
• Easy-To-Wire Terminals: Accommodate conductors up to No. 4 AWG for versatile wiring options.
• Clearly Marked Terminals: Facilitates easy identification and fast, accurate wiring.
• Surface-Mount Design: Allows for direct mounting on walls or other surfaces.
• Concentric Knockouts: Provides flexibility for 3/4-inch and 1-inch conduit entry.
• Adjustable Cord Clamp: Secures cables entering from the back or bottom.

3.2 Components

The package includes the Leviton 5378 Surface Mounting Receptacle and all necessary mounting hardware.

Figure 1: Leviton 5378 50 Amp, 250 Volt Surface Mounting Receptacle. This image shows the front view of the black receptacle with NEMA 6-50R, 50A-250V markings, and the Leviton logo at the bottom.

Figure 2: Close-up view of the Leviton 5378 receptacle, highlighting the robust terminals designed for secure wire connections.

4. Setup and Installation

Installation of this 50 Amp, 250 Volt receptacle requires adherence to electrical safety standards and local codes. If you are not familiar with electrical wiring, consult a qualified electrician.

4.1 Tools and Materials Required

• Screwdrivers (Phillips and flathead)
• Wire strippers/cutters
• Voltage tester
• Mounting hardware (included)
• Appropriate gauge electrical wire (up to No. 4 AWG)
• Conduit (if applicable)

4.2 Installation Steps

1. Disconnect Power: Locate the circuit breaker or fuse controlling the circuit where the receptacle will be installed and turn off the power. Verify power is off using a voltage tester.
2. Prepare Mounting Surface: Choose a suitable, stable surface for mounting. The receptacle is designed for surface mounting.
3. Prepare Wiring: Route the electrical wires (Line 1, Line 2, Ground) to the installation location. If using conduit, utilize the concentric knockouts on the receptacle. Strip approximately 3/4 inch of insulation from the end of each wire.
4. Connect Wires: Connect the wires to the clearly marked terminals on the receptacle. Ensure tight and secure connections.
   • Connect Line 1 wire to the designated Line 1 terminal.
   • Connect Line 2 wire to the designated Line 2 terminal.
   • Connect the Ground wire to the grounding terminal.
5. Secure Receptacle: Mount the receptacle securely to the prepared surface using the provided mounting hardware. If a cable enters from the back or bottom, use the adjustable cord clamp to secure it.
6. Restore Power: Once installation is complete and all connections are verified, restore power at the circuit breaker or fuse box.
7. Test: Test the receptacle with a compatible device to ensure proper functionality.

5. Operating Instructions

The Leviton 5378 receptacle functions as a standard electrical outlet for compatible 50 Amp, 250 Volt devices. To operate:

1. Ensure the receptacle is properly installed and powered.
2. Align the plug of your 50 Amp, 250 Volt device with the receptacle slots.
3. Insert the plug firmly into the receptacle.
4. To disconnect, grasp the plug and pull it straight out from the receptacle. Do not pull by the cord.

6. Maintenance

Regular inspection and basic maintenance can help ensure the longevity and safe operation of your receptacle.

• Periodic Inspection: Periodically inspect the receptacle for any signs of damage, such as cracks, discoloration, or loose connections.
• Cleaning: Disconnect power before cleaning. Use a dry, soft cloth to wipe the exterior of the receptacle. Do not use liquid cleaners or solvents.
• Tighten Connections: If accessible and with power disconnected, periodically check and tighten terminal screws to ensure secure electrical connections.
• Environmental Protection: If installed in an environment prone to moisture or dust, ensure the receptacle is adequately protected by an appropriate enclosure.

7. Troubleshooting

If the receptacle is not functioning correctly, consider the following common issues:

• No Power: Check the circuit breaker or fuse for the circuit. Ensure it is in the 'ON' position and has not tripped.
• Loose Connections: With power disconnected, inspect all wire connections at the terminals to ensure they are tight and secure.
• Incompatible Plug: Ensure the device being plugged in is compatible with a NEMA 6-50R configuration and is rated for 50 Amp, 250 Volt.
• Damaged Receptacle: If the receptacle shows signs of physical damage, it should be replaced by a qualified electrician.

If problems persist after checking these points, consult a qualified electrician.

8. Specifications

9. Warranty and Support

Leviton products are designed for quality and durability. This product comes with a standard warranty. For specific warranty details, please refer to the documentation included with your purchase or visit the official Leviton website.

For technical support, product inquiries, or to locate authorized service centers, please visit the Leviton Store on Amazon or the official Leviton website.