STWJ Cable is a heavy-duty portable power cable designed for industrial and construction environments where high mechanical durability, moisture resistance, and flexibility are required. It is commonly used in North American markets for temporary power supply, portable tools, generators, and outdoor equipment connections.
STWJ belongs to the Service Cord family and is rated for 600V applications. The "J" designation indicates a junior hard-service cord.
STWJ Cable Construction
Conductor: Fine-stranded annealed copper, Class K or flexible stranding
Insulation: Thermoplastic
Outer Jacket: Heavy-duty thermoplastic, moisture-resistant and sunlight-resistant
Core Identification: Color-coded insulated conductors
Standard Color: Black
Unlike rubber cords, STWJ uses thermoplastic materials, offering a balance between flexibility and cost efficiency.
STWJ Cable Technical Parameters
| Parameter | Specification |
|---|---|
| Rated Voltage | 300V or 600V (depending on construction) |
| Temperature Rating | -40°C to +60°C |
| Conductor Type | Flexible stranded copper |
| Water Resistance | Suitable for wet locations |
| Sunlight Resistance | Yes |
| Oil Resistance | Moderate |
| Standard | UL 62 |
| Flame Test | VW-1 compliant |
STWJ Cable Size Range
| Number of Cores | Conductor Size (AWG) |
|---|---|
| 2 cores | 18 – 10 AWG |
| 3 cores | 18 – 10 AWG |
| 4 cores | 18 – 10 AWG |
Common configurations:
STWJ 18/3
STWJ 16/3
STWJ 14/3
STWJ 12/3
STWJ 10/3
STWJ Cable Features
- Flexible and easy to handle
- Water-resistant thermoplastic jacket
- Sunlight-resistant for outdoor use
- Durable under mechanical stress
- Suitable for portable and temporary power systems
STWJ Cable Applications
- Construction sites
- Portable generators
- Power tools and equipment
- Temporary lighting systems
- Outdoor extension cords
- Industrial maintenance operations
STWJ Cable Advantages
- UL-listed for North American markets
- Designed for harsh working environments
- Cost-effective alternative to rubber portable cords
- Reliable performance under wet and outdoor conditions
- Available in bulk reels or pre-cut lengths
Zhongjing Product Quality
Packaging and Transportation
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