UL3239 12AWG High Voltage Silicone Wire Supplier
Product Brand
Guangdong Zhengfeng Wire&Cable
Conductor
Tinned copper wire
Construction
TS 65*0.254
Rated Temperature
200°C
Product Certification
UL certified
Wire Gauge
12AWG

UL3239 12AWG Silicone Rubber Wire
UL3239 12AWG wire is a heavy-duty silicone insulated wire developed for electrical systems requiring higher current capacity, excellent flexibility and reliable high voltage insulation.
Featuring a stranded copper conductor and premium silicone rubber insulation, this 12 gauge silicone wire delivers outstanding electrical conductivity while maintaining softness and durability during repeated bending.
Compared with standard PVC hook up wire, UL3239 silicone wire provides superior heat resistance, environmental stability and long service life, making it an ideal choice for power connection applications in industrial equipment, battery systems and electrical control units.
As an experienced UL3239 silicone wire manufacturer, Guangdong Zhengfeng supports customized solutions including conductor materials, insulation colors, wire lengths, packaging methods and OEM requirements for global customers.
Product Description
Rated temperature: 200°C
Rated voltage: 3000V DC
Reference standards: UL758,UL1581,UL2556

Pass UL FT2 Horizontal flame test
|
Conductor |
Insulation |
Maximum Resistance at 20℃ |
|||
|
AWG |
No./mm |
Diamater |
Thickness |
Diamater |
|
| 24 |
11/0.16 |
0.61 |
0.76 |
2.20 |
94.2 |
| 22 |
17/0.16 |
0.76 |
0.76 |
2.35 |
59.4 |
| 20 |
26/0.16 |
0.94 |
0.76 |
2.55 |
36.7 |
| 18 |
41/0.16 |
1.18 |
0.76 |
2.80 |
23.2 |
| 16 |
26/0.254 |
1.49 |
0.76 |
3.10 |
14.6 |
| 14 |
41/0.254 |
1.87 |
0.76 |
3.50 |
8.96 |
| 12 |
65/0.254 |
2.36 |
0.76 |
4.00 |
5.64 |
Product Advantages
1. Higher Current Carrying Capability
The 12AWG conductor design supports higher current requirements, making it suitable for power-related electrical applications.
2. Reliable High Voltage Insulation
Premium silicone insulation provides excellent dielectric performance for demanding electrical environments.
3. Flexible Heavy-Duty Construction
Stranded copper conductor combined with soft silicone insulation allows easy installation in compact equipment spaces.
4. Excellent Heat and Environmental Resistance
Silicone rubber maintains stable performance against heat, moisture, ozone and aging.
UL Certified








Applicable Environment

Automotive industry

Office equipment

Home appliances

Lighting

New Energy Equipment

Medical Device
Product Packaging



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Who we are?
Guangdong Zhengfeng Wire&Cable Co., Ltd. is a professional cable manufacturer specializing in the R&D, production, and sales of wire and cable products, with over 25 years of industry experience.
Our company mainly produces PVC electronic wire and power wire, irradiation cross-linked PE/PVC wire, silicone high-temperature flexible wire and Teflon high-temperature wire and other products. According to customers' requirements, we can design and manufacture wires and cables for special purposes. All products are certified to US UL and Japan PSE (S-JET Mark) standards, fully compliant with RoHS/REACH international environmental regulations, delivering globally trusted performance.
We operate 25 advanced production systems backed by 20 precision metrology instruments, implementing closed-loop quality control from raw material inspection to finished goods delivery. This integrated approach ensures consistent compliance with client specifications, exceeding industry standards for reliability.
Our products are widely applied in fields such as aerospace, automotive industry, sensor materials, smart home, household appliances, lighting and illumination, electrical machinery, medical equipment, electronic equipment, and high-temperature and high-pressure equipment. With advanced technology, excellent quality and superior service, we provide reliable wire products and cable solutions for global customers.





We’ve compiled a list of our most frequently asked questions
What is UL3239 12AWG silicone wire used for?
Is UL3239 12AWG suitable for battery applications?
What is the advantage of 12AWG compared with 14AWG silicone wire?
Can UL3239 wire be used in high temperature environments?
Why choose silicone insulation for electrical equipment?
Can UL3239 12AWG use tinned copper conductors?
What industries need UL3239 12 gauge wire?
Can UL3239 12AWG wire be customized?
How to select the correct AWG size for silicone wire?
How can I find a reliable UL3239 silicone wire manufacturer?








