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-14
SKU : TGGT-14-250
"The industry standard for extreme heat environments—engineered with high-performance PTFE and glass shielding for maximum reliability in temperatures up to 250°C."
The 14 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 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.
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: 14 AWG TGGT 600V
APPLICATION: Commercial ovens, industrial heaters, kilns, and high-temperature appliance leads.
VOLTAGE: 600 Volts.
UL LISTING: UL 5256.
CONDUCTORS: Flexible (41 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: 0.113 inches (2.87 mm).
Industrial Oven Feeders: Main internal power leads for commercial convection and conveyor ovens.
Heater Band Connections: Connecting power to high-wattage heater bands on plastic extrusion machinery.
Commercial Steamers: Providing reliable power in high-heat, high-moisture commercial kitchen environments.
Foundry Control Wiring: Used for equipment controls operating in close proximity to furnaces and molten metal.
Aerospace Components: Wiring for high-ambient heat zones within specialized aircraft systems.
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) | 14 AWG |
| Conductor Material | Nickel Coated Copper |
| Conductor Type | Stranded |
| Strand Count | 41 |
| Outer Diameter (OD) (in/mm) | 0.113 in. / 2.87 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 | 0.023 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-14
SKU : TGGT-14-250
Parent SKU : TGGT-14
SKU : TGGT-14-250
"The industry standard for extreme heat environments—engineered with high-performance PTFE and glass shielding for maximum reliability in temperatures up to 250°C."
The 14 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 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.
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: 14 AWG TGGT 600V
APPLICATION: Commercial ovens, industrial heaters, kilns, and high-temperature appliance leads.
VOLTAGE: 600 Volts.
UL LISTING: UL 5256.
CONDUCTORS: Flexible (41 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: 0.113 inches (2.87 mm).
Industrial Oven Feeders: Main internal power leads for commercial convection and conveyor ovens.
Heater Band Connections: Connecting power to high-wattage heater bands on plastic extrusion machinery.
Commercial Steamers: Providing reliable power in high-heat, high-moisture commercial kitchen environments.
Foundry Control Wiring: Used for equipment controls operating in close proximity to furnaces and molten metal.
Aerospace Components: Wiring for high-ambient heat zones within specialized aircraft systems.
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) | 14 AWG |
| Conductor Material | Nickel Coated Copper |
| Conductor Type | Stranded |
| Strand Count | 41 |
| Outer Diameter (OD) (in/mm) | 0.113 in. / 2.87 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 | 0.023 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.
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.
The main difference is the temperature rating. SRML is typically rated for 150°C–200°C. TGGT is rated for 250°C. Additionally, TGGT uses Teflon tapes which offer better chemical resistance, while SRML uses silicone rubber which offers slightly more "rubbery" flexibility.
No. While TGGT is the standard for appliances up to 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 is rated for 450°C. Shop our entire High Temp Wire Collection here.
Yes. While fiberglass by itself can absorb moisture, the jacket on our TGGT wire is impregnated with a high-temperature finish that provides excellent resistance to moisture, oils, and flames.
Yes. 16 AWG TGGT is a standard replacement wire for internal oven circuitry in both commercial and residential settings. Because it is rated for 250°C (482°F), it can safely handle the high temperatures found behind the insulation and near the heating elements.
Because it uses 41 strands of nickel coated copper and thin tape-wrap insulation, 14 AWG TGGT is very flexible for its heat rating. It can be easily routed around heating elements and through tight internal appliance pathways without kinking. However, because of its multiple layers of glass and Teflon tape, it is slightly stiffer than silicone-based SRML (150°C/200°C).
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.
The primary difference is the dual-layer defense of PTFE and fiberglass. While some high-temp wires only use silicone or standard plastics that melt or off-gas at high temperatures, TGGT’s multi-layered construction allows it to remain structurally sound and electrically insulated even when exposed to direct, intense heat inside industrial ovens, furnaces, and heavy machinery.
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