UL4478 XLPE Flat Ribbon Cable – 105°C / 300V Halogen-Free Wire for Internal Wiring Applications
UL4478 is a UL-certified flat ribbon cable designed for internal wiring in electronic and electrical equipment. Rated for 105°C and 300V, this cable features halogen-free cross-linked polyethylene (XLPE) insulation, providing excellent thermal resistance, chemical stability, and mechanical protection.
Key Features
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Conductor: Solid or stranded bare/tinned copper, sizes ranging from 36 to 10 AWG
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Insulation: Extruded XLPE, minimum average thickness of 0.23 mm (9 mils)
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Pitch Options: Common pitches include 1.27 mm, 2.0 mm, and 2.54 mm
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Assembly: Available in 2 to 100 conductors laid parallel in one plane
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Temperature Rating: Up to 105°C
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Voltage Rating: 300V
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Flame Resistance: Passes UL Horizontal Flame Test
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Standards: Complies with UL 758 Appliance Wiring Material (AWM) Style 4478
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Environmental Compliance: RoHS and REACH compliant, halogen-free
Common Applications
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Internal wiring in electronic devices, computers, and printers
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Applications requiring space-saving flat cable designs
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Internal connections in industrial control panels and instrumentation
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Suitable for low-voltage signal transmission and data communication
Conductor Resistance Reference (20°C, Ω/km)
| AWG | Resistance (Ω/km) |
|---|---|
| 34 | 93.25 |
| 32 | 55.00 |
| 30 | 34.60 |
| 28 | 21.80 |
| 26 | 13.70 |
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🌐 External Technical Reference
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