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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
Parent SKU : TGGT-10
SKU : TGGT-10-250
"TGGT wire provides reliable performance in extreme heat environments up to 250°C (482°F), making it the industry standard for industrial-grade heating appliances."
The 10 AWG TGGT wire is the heavyweight champion for industrial heating circuits. Designed for high-amperage environments where standard wire would fail, it is the primary choice for main power leads in industrial ovens, heavy-duty heaters, and specialized kilns. By combining 2% Nickel-Coated Copper with high-performance PTFE tapes and a double fiberglass shield, it provides ultimate thermal and chemical stability.
250°C Thermal Performance: Engineered to operate continuously in environments reaching 482°F, making it the industry standard for commercial cooking and heating equipment.
Nickel-Coated Copper Conductor: Features 2% nickel plating per ASTM B355 to prevent oxidation and maintain electrical integrity at temperatures where standard tin-plated copper would degrade.
Triple-Layer Shielding: Features PTFE tape insulation covered by a glass yarn braid and an overall fiberglass jacket, offering a rugged defense against both extreme heat and mechanical wear.
Chemical & Oil Resistance: Virtually immune to most industrial solvents, oils, and chemicals, preventing insulation failure in harsh factory conditions.
ENGINEERING OVERVIEW: 10 AWG TGGT 600V
APPLICATION: Commercial ovens, industrial heaters, kilns, and high-temperature appliance leads.
VOLTAGE: 600 Volts.
UL LISTING: UL 5256.
CONDUCTORS: Flexible (105 Strands) soft drawn 2% nickel-coated copper (per ASTM B355).
INSULATION: PTFE (Teflon) tape with a fiberglass moisture barrier.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 250°C (482°F).
NOMINAL OD: 0.155 inches (3.94 mm)
Main Oven Power Leads: Connecting the primary power source to large commercial conveyor ovens.
Heavy Industrial Heaters: Wiring for high-wattage immersion and strip heaters.
Glass & Ceramic Kilns: Providing reliable main power feeds in high-ambient heat zones.
Plastic Manufacturing: Power leads for large extrusion barrel heaters and mold units.
Foundry Equipment: Used for control and power circuits operating near metal melting stations.
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.
| Wire Size (AWG/MCM) | 10 AWG |
| Conductor Material | Nickel Coated Copper |
| Conductor Type | Stranded |
| Strand Count | 105 |
| Outer Diameter (OD) (in/mm) | 0.155 in. / 3.94 mm |
| Jacket Type | Fiberglass Braid |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | Polytetrafluoroethylene (PTFE) |
| UL Listing Numbers | UL 5256, UL 5251 |
| Voltage Rating | 600V |
| Submersible | No |
| Flexibility Rating | Very Good |
| Temperature Rating | 250ºC |
| Standards | UL 5256 (18-2 AWG) UL 5251 (1/0 AWG and larger) CSA AWM 1 A/B FT1 VW-1 Flame Test |
| Miscellaneous Information | The data shown are approximate and subject to standard industry and manufacturer tolerances |
| Primary Applications | Heating Equipment, Cooking Equipment, Industrial Cooking, Equipment wiring in Iron and Steel Mills, Cement Kilns, and Glass Plants |
| Common Uses |
|
| Weight per Foot | 0.048 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.
Parent SKU : TGGT-10
SKU : TGGT-10-250
Parent SKU : TGGT-10
SKU : TGGT-10-250
"TGGT wire provides reliable performance in extreme heat environments up to 250°C (482°F), making it the industry standard for industrial-grade heating appliances."
The 10 AWG TGGT wire is the heavyweight champion for industrial heating circuits. Designed for high-amperage environments where standard wire would fail, it is the primary choice for main power leads in industrial ovens, heavy-duty heaters, and specialized kilns. By combining 2% Nickel-Coated Copper with high-performance PTFE tapes and a double fiberglass shield, it provides ultimate thermal and chemical stability.
250°C Thermal Performance: Engineered to operate continuously in environments reaching 482°F, making it the industry standard for commercial cooking and heating equipment.
Nickel-Coated Copper Conductor: Features 2% nickel plating per ASTM B355 to prevent oxidation and maintain electrical integrity at temperatures where standard tin-plated copper would degrade.
Triple-Layer Shielding: Features PTFE tape insulation covered by a glass yarn braid and an overall fiberglass jacket, offering a rugged defense against both extreme heat and mechanical wear.
Chemical & Oil Resistance: Virtually immune to most industrial solvents, oils, and chemicals, preventing insulation failure in harsh factory conditions.
ENGINEERING OVERVIEW: 10 AWG TGGT 600V
APPLICATION: Commercial ovens, industrial heaters, kilns, and high-temperature appliance leads.
VOLTAGE: 600 Volts.
UL LISTING: UL 5256.
CONDUCTORS: Flexible (105 Strands) soft drawn 2% nickel-coated copper (per ASTM B355).
INSULATION: PTFE (Teflon) tape with a fiberglass moisture barrier.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 250°C (482°F).
NOMINAL OD: 0.155 inches (3.94 mm)
Main Oven Power Leads: Connecting the primary power source to large commercial conveyor ovens.
Heavy Industrial Heaters: Wiring for high-wattage immersion and strip heaters.
Glass & Ceramic Kilns: Providing reliable main power feeds in high-ambient heat zones.
Plastic Manufacturing: Power leads for large extrusion barrel heaters and mold units.
Foundry Equipment: Used for control and power circuits operating near metal melting stations.
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.
| Wire Size (AWG/MCM) | 10 AWG |
| Conductor Material | Nickel Coated Copper |
| Conductor Type | Stranded |
| Strand Count | 105 |
| Outer Diameter (OD) (in/mm) | 0.155 in. / 3.94 mm |
| Jacket Type | Fiberglass Braid |
| Conductor Count | 1 |
| Shield | Unshielded |
| Insulation Type | Polytetrafluoroethylene (PTFE) |
| UL Listing Numbers | UL 5256, UL 5251 |
| Voltage Rating | 600V |
| Submersible | No |
| Flexibility Rating | Very Good |
| Temperature Rating | 250ºC |
| Standards | UL 5256 (18-2 AWG) UL 5251 (1/0 AWG and larger) CSA AWM 1 A/B FT1 VW-1 Flame Test |
| Miscellaneous Information | The data shown are approximate and subject to standard industry and manufacturer tolerances |
| Primary Applications | Heating Equipment, Cooking Equipment, Industrial Cooking, Equipment wiring in Iron and Steel Mills, Cement Kilns, and Glass Plants |
| Common Uses |
|
| Weight per Foot | 0.048 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
Technical Specifications
Usage & Installation:
Packaging & Dimensions:
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TGGT stands for Teflon-Glass-Glass-Teflon. The name describes its multi-layer construction: PTFE (Teflon) tape insulation, followed by a glass yarn braid, and a final fiberglass jacket impregnated with a high-temp Teflon finish.
TGGT wire is rated for continuous operation at temperatures up to 250°C (482°F). This high thermal ceiling is achieved through its specialized multi-layer construction, which includes PTFE (Teflon) tape insulation and fiberglass braiding. This makes it an ideal choice for high-heat environments like commercial ovens, industrial kilns, and heater bands where standard silicone-based wires would fail.
The primary difference is the temperature rating and insulation material. TGGT is rated for 250°C (482°F) and uses PTFE (Teflon) tape. MG (Mica Glass) wire is rated for 450°C (842°F). MG wire replaces the Teflon tape with Mica tapes, a mineral-based insulator that can withstand nearly double the heat of TGGT. While TGGT is the standard for commercial ovens and appliances, MG wire is required for "extreme zones" like industrial heaters, commercial kilns, and equipment operating near open flames or molten metal.
Yes. While TGGT has a slightly higher friction coefficient than THHN, it can be pulled through conduit. We recommend using a high-temp pulling lubricant and checking NEC tables for conduit fill, as the OD is slightly larger than standard 10 AWG wire.
10 AWG TGGT is designed with flexible stranding (typically 105 strands), making it much easier to route than standard building wire. However, because of its multiple layers of glass and Teflon tape, it is slightly stiffer than silicone-based SRML.
At 250°C, standard copper or tinned copper will oxidize rapidly, leading to brittle wires and failed connections. The 2% Nickel coating (ASTM B355 ) acts as a protective shield, allowing the copper core to remain flexible and conductive even after years of exposure to extreme heat.
Because TGGT is rated for 250°C, it has a much higher ampacity (current carrying capacity) than standard 90°C wire. However, always consult the NEC (National Electrical Code) for your specific equipment and ambient temperature to ensure the circuit is safely fused.
Yes. We carry a comprehensive range of high-temperature wire, including SIS, SRML, TGGT, & MG designed for everything from industrial motor leads to commercial oven circuitry. Each product page includes detailed engineering specs, such as strand counts, insulation materials, and UL listings. To view our complete inventory, sort by gauge, or download full spec sheets for every size we carry, please visit our Full High-Temperature Wire Collection here.
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