THHN Cable
600V Nylon Jacket Cable
Conductor:
Solid annealed copper per ASTM-B3
Stranded copper per ASTM-B3, ASTM-B787, ASTM-BB
Insulation:
Flame-retardant PVC insulation
Jacket:
Tough abrasion-resistant nylon outer layer
Rated Voltage: 600 V
Temperature Rating: 90°C (dry), 75°C (wet)
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Product Description
THHN Cable : Product Description and Specifications
THHN is basically the ‘bread and butter’ of the building wire market. It stands for Thermoplastic High Heat-resistant Nylon-coated. Why the Nylon? It acts like a hard skin over the PVC insulation. This makes the wire slick and tough, so you can pull it through conduit without it snagging or tearing—which is a nightmare with cheaper wires. It’s rated for 90°C, resists oil and gas, and is the standard go-to for pretty much any indoor residential or commercial wiring job.
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Advantages
THHN Cable for Power Cable : Benefits and Features
Stripping & Terminating: It strips clean and terminates easily. You won’t be fighting with the insulation to get a good connection.
Tough but Flexible: It bends around tight corners without kinking, but it’s physically tough enough to withstand rough handling on the job site.
Impact Ready: The outer layer acts like armor. It protects the wire from getting chewed up or scraped when you drag it over concrete or sharp metal edges.
Chemical Shield: It shrugs off exposure to gasoline, motor oil, and solvents. Perfect for garages or industrial machine shops where spills happen.
The “Slick” Factor: The nylon jacket is naturally self-lubricating. It slides through conduit like it’s greased, saving your arms during those long, difficult pulls.
Versatile Rating: Fully approved for both Dry and Damp locations.
Specification Of THHN Cable
| Parameter | Value / Description |
|---|---|
| Definition | The cable jacket is pretty much what the cable sheath means. The most common sheath here is a nylon cable jacket, THHN PVC Insulated Nylon Jacket Wire Conductor Cable |
| Processability | Good processability. |
| Physical Properties | Good flexibility, toughness, and abrasion resistance. |
| Lubrication | Good self-lubricating properties. |
| Chemical Resistance | Good chemical resistance, especially to gasoline, motor oil, and other oils. |
| General Info | THHN wires have thin flame-resistant PVC insulation that is covered by an abrasion-resistant nylon jacket. |
| Conductor (Solid) | Solid annealed copper per ASTM-B3 |
| Conductor (Stranded) | annealed copper per ASTM-B3, ASTM-B787, and ASTM-B8 |
| Insulation | Polyvinylchloride (PVC) |
| Jacket | Nylon |
| Package | roll or drum |
| Available colors | Black, White, Blue, Red, Yellow, Green, Orange, and according to the customer's request. |
| Usage Environment | The nylon material can be cloaked and protected for various types of wire and cable products (BVN, BVNVB, THHN, THHWN). |
| Pest Protection (Termites) | Its protective layer is tested when the thickness reaches 0.2mm when it can completely prevent the termites from the wire and cable products. |
| Pest Protection (Rats) | When the thickness reaches 0.5mm and above, it can effectively prevent rats from biting the wire and cable. |
| Installation Locations | Underground, indoors, in tunnels, in the pipeline, exposed to outdoor, high, and low temperatures and other extreme environments. |
| Environmental Compliance | Fully meet the ROHS environmental requirements. |
| THHN Definition | THHN stands for thermoplastic, heat-resistant nylon coating. |
| Voltage Rating Standard | AC power distribution systems and is typically rated 110V to 600V. |
| General Usage | General-purpose wiring in accordance with the National Electrical Code, maximum conductor temperature of 90¡ãC in dry locations, 600 volts. |
| Specific Usage | Wiring machine tools, control circuits, or on certain appliances. |
| Standard Compliance | PVC Insulation Nylon Jacket THHN Cable to UL 83. |
| Temperature Range (Installation) | Up To -5°C |
| Operating Temperature | Max. +90°C |
| Short Circuit Temperature | +250°C (short circuit duration up to 5 sec.) |
| Nominal Voltages | U0/U 0.6/1 kV |
| Operating Voltages | 0.6/1kV |
| Test Voltages | 3.5kV |
| Packaging Types | Wooden reels, corrugated boxes, and coils. |
| Sealing | Cable ends are sealed with BOPP self-adhesive tape and a non-hygroscopic sealing cap to protect from moisture. |
| Keywords | Copper Wire, PVC Insulated, 600V, 1000V, THHN |
Dimensions/Parameters
| Size (AWG) | NO. of Strands | Nominal Insulation thickness (Inch) | Nominal Insulation thickness (mm) | Nominal Jacket thickness (Inch) | Nominal Jacket thickness (mm) | OD of Nominal cable (Inch) | OD of Nominal cable (mm) | Weight of the Nominal cable (Lbs/kft) | Weight of the Nominal cable (kg/km) |
|---|---|---|---|---|---|---|---|---|---|
| 14 | Solid | 0.015 | 0.38 | 0.004 | 0.10 | 0.11 | 2.79 | 15 | 22 |
| 12 | Solid | 0.015 | 0.38 | 0.004 | 0.10 | 0.12 | 3.05 | 23 | 34 |
| 10 | Solid | 0.020 | 0.51 | 0.004 | 0.10 | 0.15 | 3.81 | 37 | 54 |
| 14 | 19 | 0.015 | 0.38 | 0.004 | 0.10 | 0.11 | 2.79 | 16 | 24 |
| 12 | 19 | 0.015 | 0.38 | 0.004 | 0.10 | 0.13 | 3.30 | 24 | 36 |
| 10 | 19 | 0.020 | 0.51 | 0.004 | 0.10 | 0.17 | 4.32 | 39 | 58 |
| 8 | 19 | 0.030 | 0.76 | 0.005 | 0.13 | 0.22 | 5.59 | 63 | 94 |
| 6 | 19 | 0.030 | 0.76 | 0.005 | 0.13 | 0.26 | 6.60 | 98 | 145 |
| 4 | 19 | 0.040 | 1.01 | 0.006 | 0.15 | 0.33 | 8.38 | 157 | 234 |
| 3 | 19 | 0.040 | 1.01 | 0.006 | 0.15 | 0.36 | 9.14 | 193 | 287 |
| 2 | 19 | 0.040 | 1.01 | 0.006 | 0.15 | 0.39 | 9.91 | 240 | 357 |
| 1 | 19 | 0.050 | 1.27 | 0.007 | 0.18 | 0.43 | 10.92 | 300 | 446 |
| 1/0 | 19 | 0.050 | 1.27 | 0.007 | 0.18 | 0.47 | 11.94 | 376 | 560 |
| 2/0 | 19 | 0.050 | 1.27 | 0.007 | 0.18 | 0.52 | 13.21 | 467 | 695 |
| 3/0 | 19 | 0.050 | 1.27 | 0.007 | 0.18 | 0.57 | 14.48 | 581 | 864 |
| 4/0 | 19 | 0.050 | 1.27 | 0.007 | 0.18 | 0.64 | 16.26 | 724 | 1077 |
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Production Processes Of Power cable
To ensure superior quality, JOCA operates fully digitalized and automated production lines for power cables. Specifically, this comprehensive workflow covers conductor stranding, insulation extrusion, metallic screening, and final sheathing. Moreover, intelligent systems actively monitor each stage to ensure stable performance and consistent product quality. In addition, the factory utilizes advanced testing facilities, such as partial discharge testing, tensile testing, and spark testing. Consequently, these rigorous measures guarantee that every delivered cable strictly meets international standards.
Packing For Shipment
To meet various transportation needs, there are many methods of packaging that can be used.
Have more questions?
Q: Why the Nylon skin?
A: Two reasons: Protection and Speed. It acts like armor against scrapes, but mainly? It makes the wire slick. It slides through conduit like it’s greased. Without that nylon, pulling wire is a struggle.
Q: Can I use this outdoors?
A: Only inside conduit. You cannot leave this wire exposed to sunlight or weather. It needs a pipe.
Q: Is it THWN?
A: Pretty much. Most of our stock is dual-rated THHN/THWN-2. So it handles dry heat and wet locations equally well. Just check the print on the wire.
Q: Solid or Stranded?
A: Your call. We stock Solid (easier to push) for small circuits and Stranded (easier to bend) for larger feeders.
Q: Can I bury it in dirt?
A: Absolutely not. THHN is not for direct burial. It will fail. If you go underground, it must be inside a proper conduit system. If you want to bury wire directly, go buy UF-B cable.
Q: Is it oil resistant?
A: Yep. That nylon jacket shrugs off gasoline and motor oil. Perfect for wiring up garage machinery or industrial tools.
Q: How do I buy?
A: Send us your list. Tell us the AWG sizes and the colors you need (Black, Red, White, Green). We’ll cut it to length and ship it.