Type THHN/THWN/THWN-2/T90 Wire
Product Overview
The Type THHN/THWN/THWN-2/T90 Wire is a 600V single-conductor thermoplastic-insulated wire designed for use as general-purpose wiring for installation in conduit or other recognized raceway. THHN T90 wire may also be used for machine tool, appliance, and control circuit wiring.
The wire features a bare, soft annealed stranded copper conductor, PVC (Polyvinyl-Chloride) insulation, and a nylon coating. It is built to UL 83, CSA C22.2 No.75, LL90458, and the Canadian Electrical Code, with CSA FT-1 flame test performance. The wire is UL, c(UL) and CSA listed.
Features & Benefits
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General-Purpose Wiring: Suitable for installation in conduit or other recognized raceway.
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Multi-Application: THHN T90 wire may also be used for machine tool, appliance, and control circuit wiring.
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600V Voltage Rating: Suitable for low voltage power and control applications.
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Temperature Ratings: Oil: 75°C; Wet: 75°C; Dry: 90°C.
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Nylon-Coated: PVC insulation with a nylon coating for enhanced mechanical protection.
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Flame Resistant: CSA FT-1 flame test compliant.
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Multiple Colour Options: Black, Blue, Green, Brown, Red, Orange, Yellow, Gray, White, Pink, Tan; striping and other colours available upon request.
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Standards Compliant: UL 83, CSA C22.2 No.75, LL90458, Canadian Electrical Code.
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Listings: UL, c(UL) and CSA listed.
Typical Applications
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General-purpose wiring in conduit or other recognized raceway
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Machine tool wiring
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Appliance wiring
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Control circuit wiring
Construction
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Conductor: Bare, soft annealed stranded copper
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Insulation: PVC (Polyvinyl-Chloride)
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Coating: Nylon
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Colours: Black, Blue, Green, Brown, Red, Orange, Yellow, Gray, White, Pink, Tan; Striping and Other colours available upon request.
Technical Specifications
Electrical & Thermal Characteristics
| Parameter | Value |
|---|---|
| Voltage | 600V |
| Max. Conductor Temperature – Oil | 75°C |
| Max. Conductor Temperature – Wet | 75°C |
| Max. Conductor Temperature – Dry | 90°C |
| Flame Test | CSA FT-1 |
Parameter Table – Type THHN/THWN/THWN-2/T90 Wire
| Section (AWG or MCM) | Number of Strands (Nos) | Insulation Thickness (mils) | Jacket Thickness Min. (mils) | Approx. Nominal OD (inch) |
|---|---|---|---|---|
| 14 | Solid or 7 | 15 | 4 | 0.86 |
| 12 | Solid or 7 | 15 | 4 | 1.00 |
| 10 | Solid or 7 | 20 | 4 | 1.27 |
| 8 | 7 or 19 | 30 | 5 | 1.67 |
| 6 | 7 or 19 | 30 | 5 | 1.97 |
| 4 | 7 or 19 | 40 | 6 | 2.51 |
| 2 | 7 or 19 | 40 | 6 | 2.97 |
| 1 | 7 or 19 | 50 | 7 | 3.45 |
| 1/0 | 19 | 50 | 7 | 3.76 |
| 2/0 | 19 | 50 | 7 | 4.12 |
| 3/0 | 19 | 50 | 7 | 4.52 |
| 4/0 | 19 | 50 | 7 | 4.97 |
| 250 | 19 | 60 | 8 | 5.50 |
| 350 | 37 | 60 | 8 | 6.32 |
| 400 | 37 | 60 | 8 | 6.68 |
| 450 | 37 | 60 | 8 | 7.03 |
| 500 | 37 | 60 | 8 | 7.34 |
| 750 | 61 | 70 | 9 | 8.95 |
Note: All values are nominal as provided in the source specification. Actual dimensions and weights may vary within standard manufacturing tolerances.
Standards & Compliance
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UL 83: Standard for requirements for 600V, single conductor thermoplastic-insulated wire and cables.
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CSA C22.2 No.75
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LL90458
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Canadian Electrical Code
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CSA FT-1 – Flame Test
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UL, c(UL) and CSA listed
Ordering Information
To request a quote or place an order, please provide the following information:
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Product Type: Type THHN/THWN/THWN-2/T90 Wire
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Voltage Rating: 600V
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Section (AWG or MCM): e.g., 14 AWG, 12 AWG, 1/0, 250 MCM, 750 MCM
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Number of Strands: Solid or 7; 7 or 19; 19; 37; 61 as applicable
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Conductor: Bare, soft annealed stranded copper
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Insulation: PVC
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Coating: Nylon
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Colour: Black, Blue, Green, Brown, Red, Orange, Yellow, Gray, White, Pink, Tan; striping and other colours available upon request
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Quantity: Total length in feet or meters