Arlington LT300 Straight Liquid-Tight Conduit Connector Instruction Manual

Introduction

This manual provides comprehensive instructions for the proper installation and use of the Arlington LT300 Straight Liquid-Tight Conduit Connector. This connector is specifically engineered to securely bond metallic or non-metallic liquid-tight conduit, Type B, to a knockout in an electrical box or enclosure, ensuring a robust and sealed connection.

Safety Information

• WARNING: Always disconnect power to the circuit before installing, inspecting, or servicing any electrical components. Failure to do so may result in serious injury or death.
• Ensure all local and national electrical codes and regulations are strictly followed during installation. Consult a qualified electrician if unsure.
• Wear appropriate personal protective equipment (PPE), including safety glasses and gloves, to prevent injury during handling and installation.
• This connector is designed for use exclusively with liquid-tight conduit Type B. Do not use with other conduit types.
• Handle the zinc die-cast connector with care to avoid dropping or damaging it.

Package Contents

• 1 x Arlington LT300 Straight Liquid-Tight Conduit Connector

Installation Instructions

Tools Required:

• Conduit wrench or appropriate pliers
• Screwdriver (if applicable for securing other components)

Installation Steps:

1. Prepare the Conduit: Ensure the end of the liquid-tight conduit (Type B) is cut cleanly and is free of any burrs or sharp edges that could damage the connector's seal.
2. Insert Conduit into Connector: Slide the prepared conduit into the connector's opening. Push firmly until the conduit seats securely against the internal stop within the connector.
3. Tighten Sealing Nut: Hand-tighten the sealing nut onto the conduit connector. Then, use a conduit wrench or pliers to tighten it further, ensuring a robust and liquid-tight seal. Avoid overtightening, which can damage the connector or conduit.
4. Insert Connector into Knockout: Insert the threaded end of the connector through the appropriate 3-inch knockout in the electrical box or enclosure.
5. Secure with Locknut: From inside the electrical box or enclosure, thread the provided locknut onto the connector. Hand-tighten the locknut, then use a conduit wrench or pliers to secure it firmly against the box. This ensures a good mechanical connection and, if applicable, proper electrical continuity.

Image: The Arlington LT300 Straight Liquid-Tight Conduit Connector, a zinc die-cast fitting designed for secure electrical conduit connections.

Operation

Once properly installed according to the instructions, the Arlington LT300 connector functions passively to provide a secure, liquid-tight connection for electrical conduit. Its primary role is to protect internal wiring from moisture, dust, and other environmental factors. No further operational steps are required beyond ensuring correct installation.

Maintenance

• Periodic Inspection: Periodically inspect the connector and the surrounding conduit for any signs of physical damage, corrosion, or loosening of the sealing nut or locknut.
• Tightness Check: Ensure that both the sealing nut and the locknut remain tight to maintain the liquid-tight integrity and mechanical stability of the connection. Retighten if necessary, but do not overtighten.
• Cleaning: If necessary, clean the exterior of the connector with a damp cloth. Avoid using abrasive cleaners or harsh chemicals, which could damage the zinc finish.

Troubleshooting

Issue: Leaks observed at the connection point.

Solution:

• Verify that the conduit is fully seated within the connector and that the sealing nut is tightened securely.
• Ensure the locknut is firmly tightened against the electrical box or enclosure.
• Confirm that the correct type (Type B) and size (3-inch) of liquid-tight conduit is being used with the connector.

Issue: Connector does not fit into the knockout.

Solution:

• Confirm that the knockout size in the electrical box or enclosure is precisely 3 inches. This connector is designed specifically for 3-inch trade size knockouts.

Specifications

Warranty and Support

For detailed warranty information, technical assistance, or customer support regarding your Arlington LT300 Straight Liquid-Tight Conduit Connector, please contact Arlington Industries directly. You can typically find their contact information on their official website or product packaging. Please retain your purchase receipt as proof of purchase for any warranty claims.