From $0.20/ft
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Solid THHN/THWN-2 WireFrom $0.20/ft -
Solid THHN/THWN-2 WireFrom $0.20/ft - Solid THHN/THWN-2 WireFrom $0.20/ft
- Solid THHN/THWN-2 WireFrom $0.20/ft
Parent SKU : SRGK12-5
SKU : SRGK12-5-250
Specifically engineered for high-density power and control applications in extreme thermal zones, this 12 AWG 5-conductor SRG-K assembly provides elite performance where standard cables would degrade. Rated for continuous operation at 200°C, this wire combines high-flexibility stranded copper with a specialized silicone rubber and fiberglass armor system.
SRG-K (Silicone Rubber Glass - K-Fiber for Strength) is the industrial standard for "hot-zone" wiring. The 12 AWG gauge offers significant current-carrying capacity for heavy-duty motors and industrial heaters. The 5-conductor configuration is highly versatile, commonly used for 3-phase applications requiring a dedicated neutral and ground, or for complex sensor feedback loops in thermal processing equipment.
Elite Thermal Resilience: Rated for continuous service up to 200°C, ensuring electrical integrity in proximity to industrial burners, heating elements, and high-efficiency motors.
Silicone & Fiberglass Shielding: The silicone rubber insulation provides superior dielectric strength and moisture resistance, while the lacquered fiberglass braid provides essential abrasion resistance.
Tinned Copper Conductors: The tin coating on the copper strands prevents oxidation and corrosion, which is accelerated in high-heat environments, ensuring long-term termination reliability.
Extreme Cold Performance: Maintains flexibility and functionality in sub-zero temperatures as low as -60°C.
Conductor Size: 12 AWG
Number of Conductors: 5
Color Code: Typically Black, Red, Blue, Orange, Yellow
Voltage Rating: 600V
Max Temperature: 200°C
Insulation Material: Silicone Rubber
Outer Jacket: Aramid K-Fiber Fiberglass Braid with High-Temp Finish
Conductor Material: Stranded Tinned Copper
Standards: NEMA WC 3 Flame Test, IEEE-383, ICEA T-27-581
Heavy-Duty Motor Leads: The primary choice for connecting 3-phase motors in industrial fans, blowers, and pumps exposed to high ambient heat.
Industrial Heating Systems: Ideal for wiring plastic injection molding manifolds, commercial rotisseries, and heat-treating furnaces.
Steel & Glass Manufacturing: Perfectly suited for machinery operating in close proximity to molten materials or high-intensity infrared heaters.
Chemical Processing Plants: Provides reliable power and control wiring near high-pressure steam lines and chemical reactors.
Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.
RADIX PART#: KD12CT05G
*All values are nominal and subject to correction. Ampacity must be calculated based on the National Electrical Code (NEC) tables for high-temperature conductors, adjusted for the specific ambient temperature and the thermal rating of the connected equipment terminals.
| Wire Size (AWG/MCM) | 12 AWG |
| Conductor Material | Tinned Copper |
| Conductor Type | Stranded |
| Strand Count | 19 |
| Outer Diameter (OD) (in/mm) | 0.52 in. / 13.21 mm |
| Jacket Type | Aramid Fiber Braid |
| Conductor Count | 5 |
| Shield | Unshielded |
| Insulation Type | Silicone Rubber, Fiberglass Braid |
| Voltage Rating | 600V |
| Submersible | No |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 200ºC |
| Standards | NEMA WC 3 Flame Propogation Test IEEE 1202 Vertical Cable Tray Flame Test |
| Miscellaneous Information | The data shown are approximate and subject to standard industry and manufacturer tolerances |
| RoHS Compliance | Yes |
| Primary Applications | Used for leads to motors, transformers or other electrical equipment where hazardous and/or high temperature conditions exist requiring flexible heat resistant conductors at 600 volts |
| Common Uses |
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| Weight per Foot | 0.175 lb |
In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.
You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.
Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).
You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.
Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.
Orders on any items with a material value of $50 or less are non-returnable.
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Physical Specifications
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While this wire can certainly handle the heat, it is usually overkill for a standard home oven. It is designed for industrial-grade machinery that runs 24/7 at high temperatures, like a commercial pizza oven, a factory kiln, or a large manufacturing motor.
It is rated for 200°C (392°F). While it is incredibly heat-resistant, it should not be wrapped directly around a glowing heating element. It is designed to live in the "hot zone" around the heaters or inside the motor housing where standard wires would fail.
The name SRG-K describes a layered "armor" system designed to protect the electricity from intense heat:
This 12 AWG, 5-conductor wire is a specialized cable built to survive where standard wiring would literally melt. Rated for continuous operation at 200°C (392°F), it is the specific choice for wiring industrial ovens, commercial fryers, and high-performance motors. By providing five heavy-duty 12-gauge conductors, this cable allows you to run 3-phase power plus extra leads for sensors or grounding in a single, heat-proof assembly.
Because of the "K" finish (the high-temp coating), this wire is much less "itchy" than raw fiberglass. The coating binds the fibers together so they don't flake off into your skin or the machine, making it much more professional and easier to handle than older styles of high-temp wire.
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