Yellow ferrules are insulated wire end sleeves designed to provide secure and professional terminations for stranded wires. Made from tin-plated copper with a yellow insulated collar, they prevent strand fraying, improve conductivity, and ensure reliable connections in terminals. Ideal for control panels, PLC wiring, and electrical distribution boards.
Description
Yellow ferrules are insulated end sleeves used to terminate stranded wires, ensuring a secure, reliable, and neat connection in terminals. They prevent wire strand fraying, improve conductivity, and increase safety in electrical installations.
Features
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Made from high-conductivity copper with tin plating.
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Yellow insulated collar for easy wire size identification.
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Ensures firm crimping and long-lasting connections.
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Resistant to vibration and loosening.
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Corrosion-resistant and durable.
Specifications
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Material (Tube): Electrolytic copper, tin-plated
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Insulation: Polypropylene / Nylon (Yellow)
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Wire Range (Typical): 4.0 mm² – 6.0 mm² (depending on standard)
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Temperature Resistance: −40°C to +105°C
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Standards: DIN 46228 / IEC compliant
Advantages
✅ Provides professional, tidy wiring finish
✅ Prevents conductor strand breakage
✅ Increases current carrying reliability
✅ Color coding allows quick identification
✅ Easy to crimp with standard ferrule crimping tools
Disadvantages
Requires special crimping tool for proper installation
Not reusable once crimped
Must match correct wire size (wrong fit reduces reliability)
Applications
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Control panels and switchgear
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Industrial automation systems
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PLC wiring and machine controls
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Electrical distribution boards
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Household and commercial electrical wiring