The TW/THW/THW-2 wire from Zhejiang Zhongjing Cable Co., Ltd. is designed for safe and reliable power distribution in residential, commercial, and industrial installations. Manufactured with high-quality copper conductor and durable PVC insulation, this building wire ensures excellent conductivity, mechanical strength, and resistance to heat, moisture, and chemicals. Our TW/THW/THW-2 cables comply with international standards and are widely used in wiring systems that demand long-lasting performance and safety.
Product Specifications
|
TW/THW/THW-2 Wire |
High-Quality Building Wire Supplier |
| Conductor Material | Copper (99.95% purity) |
| Insulation | PVC, flame-retardant and resistant to moisture |
| Voltage Rating | 600V |
| Temperature Rating |
TW: 60°C THW: 75°C (wet/dry) THW-2: 90°C (wet/dry) |
| Color Options | Black, white, red, blue, green, yellow, etc. |
| Standards | UL 83, UL 1581, ASTM B3/B8, RoHS compliant |
Product Comparison
|
Features |
TW Model |
THW Model |
THW-2 Model |
|
Operating Temperature |
60°C (wet or dry) |
75°C (wet or dry) |
90°C (wet or dry) |
|
Minimum Bend Radius (Fixed Installation) |
7.5 x OD |
7.5 x OD |
7.5 x OD |
|
Minimum Bend Radius (Mobile Use) |
15 x OD |
15 x OD |
15 x OD |
|
Oil Resistance |
Yes (60°C oil environment) |
Yes (75°C oil environment) |
(Same as THW, but with a higher temperature rating) |
|
Common Applications |
Internal electrical wiring, electronic circuits, switchboards, instrument panels, recreational vehicles, motor leads, etc. |
Similar to TW, but for applications requiring slightly higher heat resistance |
Similar to THW, but for higher temperature environments |
|
Model Suffix Explanation |
T (thermoplastic) W (waterproof) |
T (thermoplastic) |
T (thermoplastic) H (heat-resistant) W (waterproof) -2 (90°C rating) |
Product Features
Excellent Electrical Conductivity – High-purity copper conductor minimizes power loss.
Durable Insulation – Flame-retardant PVC insulation ensures long service life.
Versatile Performance – Designed for dry or wet locations, suitable for different voltages.
Compliance with Standards – Manufactured according to UL, IEC, and other global certifications.
Easy Installation – Smooth insulation surface and flexibility allow convenient handling.
Product Application
TW: Suitable for general indoor wiring in dry or humid environments with low ambient temperatures, such as wiring inside control cabinets.
THW: Suitable for wet or dry locations with slightly higher ambient temperatures, such as machine shops, basements, and near boiler rooms.
THW-2: Suitable for high-temperature environments, such as those inside certain industrial equipment, in high-temperature workshops, or where a higher safety margin is required.
Technical Data
|
Catalog Number |
Size/Nom. Area of Conductor |
Approx. Conductor Diameter |
Approx. Overall Diameter |
Max. Conductor Resistance |
Ampacity |
Appox. Cable Weiaht |
Standard Length |
|
mm |
mm |
Ohm/km |
A |
Ka/km |
m |
||
|
SOLID |
mm |
||||||
|
TW14 |
1.6 |
1.6 |
3.20 |
8.906 |
25 |
26.6 |
150/box |
|
TW12 |
2.0 |
2.0 |
3.60 |
5.656 |
30 |
38.1 |
150/box |
|
TW10 |
2.6 |
2.6 |
4.20 |
3.324 |
40 |
59.6 |
150/box |
|
TWO8 |
3.2 |
3.2 |
5.60 |
2.198 |
55 |
95.6 |
150/box |
|
STRANDED |
mm² |
||||||
|
TW14X |
2.0 |
1.8 |
3.40 |
9.18 |
25 |
28.1 |
150/box |
|
TW12X |
3.5 |
2.4 |
4.00 |
5.17 |
30 |
44.8 |
150/box |
|
TW10X |
5.5 |
3.0 |
4.60 |
3.31 |
40 |
65.6 |
150/box |
|
TW08X |
8.0 |
3.6 |
6.00 |
2.30 |
55 |
100.8 |
150/box |
|
TW06X |
14 |
4.8 |
8.00 |
1.29 |
80 |
179.2 |
150/box |
|
TW04X |
22 |
6.0 |
9.20 |
0.818 |
105 |
262.5 |
150/box |
|
TW02X |
30 |
6.9 |
10.10 |
0.618 |
125 |
335.9 |
150/box |
|
TW01X |
38 |
8.0 |
12.00 |
0.470 |
145 |
448.5 |
300/reel |
|
TW1/0 |
50 |
9.0 |
13.00 |
0.376 |
180 |
5525 |
300/reel |
|
TW2/0 |
60 |
10.0 |
14.00 |
0.301 |
200 |
667.7 |
300/reel |
|
TW3/0 |
80 |
11.5 |
15.50 |
0.228 |
245 |
861.4 |
300/reel |
|
TW4/0 |
100 |
13.0 |
17.00 |
0.178 |
285 |
1080.3 |
300/reel |
|
TW250 |
125 |
14.7 |
19.50 |
0.141 |
335 |
1379.9 |
300/reel |
|
TW300 |
150 |
16.1 |
20.90 |
0.118 |
375 |
1633.3 |
300/reel |
|
TW350 |
175 |
17.3 |
22.10 |
0.1011 |
410 |
1866.2 |
300/reel |
|
TW400 |
200 |
18.2 |
23.00 |
0.0920 |
440 |
2054.0 |
300/reel |
|
TW500 |
250 |
20.7 |
25.45 |
0.0709 |
510 |
2606.2 |
300/reel |
|
TW600 |
300 |
22.7 |
28.30 |
0.0610 |
3149.7 |
300/reel |
|
|
TW650 |
325 |
23.4 |
29.00 |
0.0560 |
600 |
3339.7 |
300/reel |
|
TW750 |
375 |
25.4 |
30.98 |
0.0471 |
645 |
3895.1 |
300/reel |
|
TW800 |
400 |
26.1 |
31.70 |
0.0450 |
660 |
4107.7 |
300/reel |
|
TW1000 |
500 |
28.8 |
34.40 |
0.0370 |
755 |
4955.8 |
300/reel |
Customization Options
We provide customized TW/THW/THW-2 cables to meet different market and project needs:
- Conductor size & strand count
- Insulation thickness & color coding
- Packaging length (rolls, coils, wooden reels)
- OEM logo and branding for distributors
Quality Assurance & Certifications
At Zhejiang Zhongjing Cable Co., Ltd., strict quality control is applied at every production stage: raw material inspection, conductor drawing, insulation extrusion, electrical testing, and final packaging. Our TW/THW/THW-2 wires are certified under UL, IEC, CE, RoHS, and meet ISO 9001 standards, ensuring international reliability and safety.
Packaging & Logistics
- We offer flexible packaging to ensure safe transportation:
- Wooden drums, plastic spools, or coils with shrink wrap
- Clear labeling with size, type, and length
- Global shipping service by sea, air, or express
- Strong export-ready packaging to avoid damage in transit
After-Sales Service
We provide long-term support for all TW/THW/THW-2 cables sold worldwide. Customers can expect:
- 12–24 months warranty (depending on order)
- Technical guidance for installation
- Fast response for inquiries and replacements
- Continuous support for OEM distributors and long-term partners
FAQ
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