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UL 3173 Hook-Up Wire
Hook-Up Wire – 600V, -40°C to +125°C, XLPE Insulated High-Temperature Cable
Application
UL 3173 wire is a heavy-duty, high-performance hook-up wire designed for internal wiring of electrical equipment, panels, motors, appliances, and industrial control systems. With its high-voltage rating (600V) and wide temperature range (-40°C to +125°C), it is ideal for demanding automotive, HVAC, machinery, and appliance applications—especially where thermal, mechanical, and environmental stress is a factor.
Technical Specifications
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Standards: UL 758 (Style UL 3173), CSA C22.2 No. 210
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Rated Voltage:600 Volts
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Temperature Range:
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-40°C to +125°C continuous operation
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Conductor Max Temp:125°C
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Dielectric Strength:(Spark Test):
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Typically 6,000V to 7,500V depending on AWG
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CSA Rating: AWM I A/B
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Minimum Bending Radius:
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Flexing: 10 × cable diameter
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Fixed: 5 × cable diameter
Cable Construction
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Conductor: Stranded annealed copper, available in bare or tinned options
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Insulation:Cross-linked polyethylene (XLPE), compliant with UL 1581, offering excellent resistance to heat, abrasion, and aging
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Designed for durability in both extreme cold and high heat environments
Key Properties
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Wide temperature tolerance: Performs reliably from -40°C to +125°C
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High insulation resistance with excellent dielectric strength
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Flame-retardant and self-extinguishing (UL VW-1, CSA FT1 / FT2 compliant)
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Resistant to abrasion, oil, acids, solvents, and other harsh chemicals
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RoHS compliant and free of hazardous substances
Why Choose UL 3173 Wire?
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Built for rugged, high-temperature applications
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Suitable for automotive wiring harnesses, HVAC units, motors, and appliances
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Ensures long-term reliability in both indoor and outdoor dry environments
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Available in various AWG sizes with color-coded insulation for easy wiring and identification
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Certified to UL and CSA standards for global use
| AWG | Cross Sectional Area (Sq.mm) | No of Strand / Strand Diameter (mm) | Average Insulation Thickness (mm) | Nominal Cable Diameter (Approx.) |
|---|---|---|---|---|
| 26 | 0.128 | 7/0.16 | 0.77 | 2.10 |
| 24 | 0.205 | 7/0.20 | 0.77 | 2.20 |
| 22 | 0.324 | 12/0.20 | 0.77 | 2.40 |
| 20 | 0.519 | 20/0.20 | 0.77 | 2.50 |
| 18 | 0.823 | 16/0.26 | 0.77 | 2.80 |
| 16 | 1.317 | 26/0.26 | 0.77 | 3.10 |
| 14 | 2.08 | 41/0.26 | 0.77 | 3.50 |
| 12 | 3.31 | 65/0.26 | 0.77 | 4.00 |
| 10 | 5.26 | 105/0.26 | 0.77 | 4.60 |
Dimension mention on above table are indicative only .