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 : TGGT-18
SKU : TGGT-18-250
"The industry standard for high-temperature appliances—engineered with high-performance PTFE and glass shielding for maximum reliability in environments up to 250°C."
The 18 AWG TGGT wire is a specialized high-temperature conductor designed for environments where standard silicone or XLPE insulation would melt or fail. It is the primary choice for internal wiring in commercial ovens, industrial heaters, and aerospace equipment. By combining PTFE (Teflon) tapes with a double layer of glass braiding, TGGT offers a unique combination of chemical resistance and extreme thermal stability.
250°C Thermal Ceiling: 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.
Superior Chemical Resistance: The PTFE component provides an excellent barrier against oils, solvents, and industrial chemicals, preventing insulation breakdown in harsh manufacturing zones.
ENGINEERING OVERVIEW: 18 AWG TGGT 600V
APPLICATION: Commercial ovens, kilns, industrial heaters, and high-temperature appliance leads.
VOLTAGE: 600 Volts.
CONDUCTORS: Flexible strand soft drawn 2% nickel-coated copper (per ASTM B355, B8, B173, and B174).
INSULATION: PTFE (Teflon) tape with a fiberglass moisture barrier.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 250°C (482°F).
NOMINAL OD: 0.100 inches (2.54 mm).
Commercial Kitchen Appliances: Internal wiring for high-temp pizza ovens, rotisseries, and industrial ranges.
Industrial Heating Elements: Connecting power to heating bands, cartridges, and strip heaters.
Kiln & Furnace Controls: Reliable signal and power wiring for high-heat ceramic and metal furnaces.
Aerospace & Defense: Used in high-ambient heat zones within aircraft and specialized machinery.
Plastic Processing: Wiring for injection molding machines where temperatures exceed the limits of standard SRML.
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) | 18 AWG |
| Conductor Material | Nickel Coated Copper |
| Conductor Type | Stranded |
| Strand Count | 16 |
| Outer Diameter (OD) (in/mm) | 0.078 in. / 1.98 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 | 0.013 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-18
SKU : TGGT-18-250
Parent SKU : TGGT-18
SKU : TGGT-18-250
"The industry standard for high-temperature appliances—engineered with high-performance PTFE and glass shielding for maximum reliability in environments up to 250°C."
The 18 AWG TGGT wire is a specialized high-temperature conductor designed for environments where standard silicone or XLPE insulation would melt or fail. It is the primary choice for internal wiring in commercial ovens, industrial heaters, and aerospace equipment. By combining PTFE (Teflon) tapes with a double layer of glass braiding, TGGT offers a unique combination of chemical resistance and extreme thermal stability.
250°C Thermal Ceiling: 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.
Superior Chemical Resistance: The PTFE component provides an excellent barrier against oils, solvents, and industrial chemicals, preventing insulation breakdown in harsh manufacturing zones.
ENGINEERING OVERVIEW: 18 AWG TGGT 600V
APPLICATION: Commercial ovens, kilns, industrial heaters, and high-temperature appliance leads.
VOLTAGE: 600 Volts.
CONDUCTORS: Flexible strand soft drawn 2% nickel-coated copper (per ASTM B355, B8, B173, and B174).
INSULATION: PTFE (Teflon) tape with a fiberglass moisture barrier.
JACKET: Braided fiberglass with a high-temperature finish.
TEMPERATURE: 250°C (482°F).
NOMINAL OD: 0.100 inches (2.54 mm).
Commercial Kitchen Appliances: Internal wiring for high-temp pizza ovens, rotisseries, and industrial ranges.
Industrial Heating Elements: Connecting power to heating bands, cartridges, and strip heaters.
Kiln & Furnace Controls: Reliable signal and power wiring for high-heat ceramic and metal furnaces.
Aerospace & Defense: Used in high-ambient heat zones within aircraft and specialized machinery.
Plastic Processing: Wiring for injection molding machines where temperatures exceed the limits of standard SRML.
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) | 18 AWG |
| Conductor Material | Nickel Coated Copper |
| Conductor Type | Stranded |
| Strand Count | 16 |
| Outer Diameter (OD) (in/mm) | 0.078 in. / 1.98 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 | 0.013 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. It is a specialized high-temperature wire designed to handle continuous operating temperatures up to 250°C (482°F). The acronym describes its multi-layered construction: a flexible nickel-coated copper conductor wrapped in PTFE (Teflon) tape, bundled with fiberglass braids, and finished with a high-temperature Teflon jacket.
If you are looking for TGGT high-temp wire near you, Wire America ships directly from regional hubs across the country. Most customers receive their order within 2 to 4 business days, and we offer expedited overnight shipping at checkout for emergency project deadlines.
The main difference is the temperature rating and construction. SRML uses silicone rubber and is rated for 150°C–200°C. TGGT uses Teflon and glass to reach 250°C. While SRML is "rubbery" and more flexible, TGGT is tougher and can handle much higher heat without degrading.
Yes. 18 AWG TGGT is frequently used as a repair or OEM wire for domestic and commercial ovens. Because most ovens operate well below its 250°C (482°F) rating, it provides a massive safety margin against insulation failure.
Yes, our TGGT wire is fully UL Style 5256 rated. UL 5256 is the official Underwriters Laboratories standard that certifies single-conductor appliance wiring material (AWM) for use up to 250°C and 600 volts. This rating guarantees that the wire has passed rigorous flame, thermal, and mechanical safety testing required for commercial and industrial heating applications.
TGGT is rated for 250°C. If your application exceeds this (such as inside a high-temp kiln or blast furnace), you would need to move up to MG (Mica-Glass) wire, which can handle temperatures up to 450°C.
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