Detailed Description

Overview
This cable lug is designed to firmly terminate a 4 mm² (or 4 mm diameter) electrical cable and provide a secure connection to a 6 mm stud or bolt. It is manufactured from high-conductivity copper, then tin-plated to improve corrosion resistance and ensure long-life performance in a variety of environments.

Key Features & Benefits

• Excellent Electrical Conductivity: Made of pure copper to minimize resistance and energy loss.

• Tin Plating for Corrosion Protection: The tin coating helps prevent oxidation and enhances durability in humid or corrosive environments.

• Strong Mechanical Connection: The solid barrel design ensures a robust mechanical bond between the cable and lug, resisting vibration or movement.

• Optimized Contact Surface: The internal geometry is designed to provide full contact over the cable cross-section, minimizing hotspots or weak points.

• Easy Installation: Suitable for crimping or compression tools.

• Versatile Application: Ideal for general low-voltage electrical systems, control panels, battery connections, grounding systems, and other installations where a 4 mm cable must be bolted to equipment.

Specifications

• Cable size (conductor): 4 mm (or compatible with ~4 mm² or equivalent)

• Mounting hole / stud size: 6 mm diameter

• Material: Copper (Cu)

• Finish: Tin plating

• Suitable connection types: Crimp, mechanical compression

• Operating environment: Indoor / dry, or in moderately demanding conditions (tin plating provides extra protection)

• Typical applications: Power distribution, grounding, battery terminal lugs, panel wiring, control systems

Usage Instructions (Recommended)

1. Strip insulating sheath of cable to proper length.

2. Insert bare conductor fully into the lug barrel.

3. Use the correct crimping or compression tool to compress lug firmly (ensure full compression, no voids).

4. Fasten the lug’s eye/hole securely to the stud or bolt (6 mm) using appropriate tightening torque, washer, and lock nut if needed.

5. Inspect connection for stability, no loose strands, and check for good mechanical and electrical contact.

Important Notes

• Ensure your crimping tool matches the lug’s barrel dimension for reliable compression.

• Avoid over-tightening the mounting bolt—excess torque can deform the lug.

• For environments exposed to moisture or corrosive elements, periodic inspection is recommended even with tin plating.

• In installations with dissimilar metals (e.g. copper lug connecting to aluminum bus), ensure you use a suitable barrier or bimetallic transition lug to avoid galvanic corrosion.

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