3M Cold Shrink QS-III Splice Kit 5524A Instruction Manual

1. Introduction and Overview

The 3M Cold Shrink QS-III Splice Kit 5524A is engineered for reliable and efficient inline splicing of shielded power cables. This kit utilizes 3M's innovative cold shrink technology, which requires no heat or special tools for installation, ensuring a safe and straightforward application process. Designed for 25/28 KV applications, it accommodates a conductor range of 1 AWG to 250 KCMIL (50-120 MM2) and is suitable for tape shield, wire shield, and Unishield cables. This manual provides essential information for the proper handling, installation, and maintenance of the splice kit.

2. Product Components

The 3M Cold Shrink QS-III Splice Kit 5524A includes all necessary components for a complete cable splice. Familiarize yourself with each item before beginning the installation process.

This image displays the complete contents of the 3M Cold Shrink QS-III Splice Kit 5524A. Visible components include the large black cold shrink tube with white inner core, a clear plastic bag of 3M Cable Cleaning Pads (CC-3), two red packets labeled '3M P55/R' (likely sealant or grease), several metallic crimp connectors, white paper separators, rolls of brown paper-wrapped tape (labeled 'Scotch'), a coil of braided wire shield, and a flat copper grounding strap.

Included Components:

• Cold Shrink In-Line Splice Body (pre-stretched on a removable core)
• 3M Cable Cleaning Pads (CC-3)
• Sealant/Grease packets (e.g., 3M P55/R)
• Metallic Crimp Connectors (quantity may vary based on specific kit configuration)
• Grounding Braid/Strap
• Scotch Electrical Tapes (various types for shielding and insulation)
• Instruction Sheet (refer to this manual for detailed steps)

3. Installation Instructions

Proper installation is crucial for the long-term performance and safety of the splice. Always follow local electrical codes and safety regulations. It is recommended that installation be performed by qualified personnel.

Safety Precautions:

• Ensure the cable is de-energized and properly grounded before beginning work.
• Wear appropriate personal protective equipment (PPE), including safety glasses and gloves.
• Work in a clean, dry environment.

Installation Steps (General Overview):

1. Cable Preparation: Carefully remove the outer jacket, metallic shield, and insulation from both cable ends according to the dimensions specified in the detailed instruction sheet provided with the kit. Clean the cable insulation thoroughly using the supplied 3M Cable Cleaning Pads (CC-3).
2. Conductor Splicing: Join the conductors using the appropriate crimp connector. Ensure a secure and low-resistance connection.
3. Shielding and Grounding: Re-establish the cable's metallic shield continuity using the provided grounding braid/strap and tapes as per the kit's specific design for tape shield, wire shield, or Unishield cables.
4. Cold Shrink Application: Position the cold shrink splice body over the prepared splice area. Slowly pull the removable core from the cold shrink tube. As the core is removed, the tube will shrink tightly onto the cable, forming a continuous, watertight seal without the need for heat.
5. Final Inspection: Visually inspect the installed splice for proper seating and sealing. Ensure all components are correctly applied and no gaps are present.

For detailed, step-by-step instructions, always refer to the specific instruction sheet included within your 3M Cold Shrink QS-III Splice Kit 5524A.

4. Operating and Usage

The 3M Cold Shrink QS-III Splice Kit 5524A is a passive component designed to create a permanent electrical connection. Once properly installed, the splice operates as an integral part of the cable system, providing insulation, shielding, and environmental sealing. No ongoing operational adjustments are required.

5. Maintenance

Once installed correctly, the 3M Cold Shrink QS-III Splice Kit 5524A is designed to be maintenance-free. Its durable construction and cold shrink technology provide a long-lasting, reliable seal. Periodic visual inspections of the cable system, including the splice location, are recommended as part of a general electrical maintenance program to check for any external damage or environmental degradation.

6. Troubleshooting

Given that the 3M Cold Shrink QS-III Splice Kit 5524A is a passive component, troubleshooting typically relates to issues during or immediately after installation, or problems with the overall cable system. If issues arise, consider the following:

• Improper Sealing: If the cold shrink tube does not fully conform to the cable, it may indicate insufficient cable preparation or an issue during core removal. Ensure surfaces are clean and free of contaminants.
• Electrical Failure: If an electrical fault occurs after splicing, it is likely due to improper conductor connection, inadequate shielding re-establishment, or damage to the cable insulation during preparation. A qualified electrician should investigate any electrical failures.
• Environmental Damage: While designed for harsh environments, extreme physical stress or chemical exposure could compromise the splice over time. Inspect for cuts, abrasions, or swelling.

For any complex issues or if you are unsure about the integrity of the splice, consult a certified electrical professional.

7. Specifications

8. Warranty and Support

For specific warranty information regarding the 3M Cold Shrink QS-III Splice Kit 5524A, please refer to the documentation included with your purchase or visit the official 3M website. 3M stands behind the quality and performance of its products.

For technical support, product inquiries, or to find additional resources, please visit the official 3M Industrial Store on Amazon or the main 3M website:

• Visit the 3M Industrial Store on Amazon
• For general 3M support, search for '3M official website' online.