UL21280 FRPE Insulated Cable – 80°C / 1000V Multi-Conductor Wire for Internal Electronic Applications
UL21280 is a UL-certified multi-conductor cable designed for the internal wiring of electronic equipment. Rated for 80°C and 1000V, it features solid or stranded copper conductors, flame-retardant FRPE insulation, and an extruded FRPE jacket. Compliant with the Horizontal Flame Test under UL 758 AWM standards, this cable is ideal for high-voltage internal wiring applications that require safety, durability, and flame resistance.
Key Features
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Conductor: Solid or stranded round copper (minimum 40 AWG)
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Insulation: Manufacturer-labeled FRPE, compliant with AWM procedures
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Assembly: Two or more conductors twisted or laid parallel into flat, oval, or round shapes; optional shielding, fillers, or barriers
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Jacket: Extruded FRPE, minimum average thickness 12 mils (minimum at any point 10 mils)
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Temperature Rating: 80°C
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Voltage Rating: 1000V
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Flame Resistance: Passes Horizontal Flame Test
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Standard: UL 758 AWM Style 21280
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Application: Internal high-voltage wiring in electronic equipment
Common Applications
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High-voltage internal wiring in electronic devices
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Internal connections in industrial control systems
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Circuits requiring flame resistance and insulation durability
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High-reliability internal cabling for sensitive systems
Conductor Resistance Reference (20°C, Ω/km)
| AWG | Resistance (Ω/km) |
|---|---|
| 26 | 13.70 |
| 24 | 8.62 |
| 22 | 5.44 |
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