Wire

Product and Ordering Information

Thermocouple Wire Types, Construction and Characteristics

(Order by Catalog Number, shown on pages 5 and 6)

Type Single Conductor Overall Temperature Rating ANSI Color Coded Insulation Properties Remarks
Insulation Impregnation Insulation Impregnation Continuous Single
Reading
Abrasion
Resistence
Moisture
Resistence
HtHt Vitreous Silica Fiber .020" - Vitreous Silica Fiber .020" - 871°C
1600°F
1093°C
2000°F
No Fair Fair  
GgG Double Glass Braid .012" Wall Modified Silicone Glass Braid .006" Modified Silicone 482°C
900°F
538°C
1000°F
Yes Good Good Impregnation retained to 204°C (400°F)
GG Glass Braid .006" Modified Silicone Glass Braid .006" Modified Silicone 482°C
900°F
538°C
1000°F
Yes Fair Good Impregnation retained to 204°C (400°F)
GwG Double Glass Wrap .005" Modified Silicone Glass Braid .006" Modified Silicone 482°C
900°F
538°C
1000°F
Yes Fair Good Impregnation retained to 204°C (400°F)
GnGn Glass Braid .006" - Glass Braid .006" - 482°C
900°F
538°C
1000°F
No Fair Fair Heat treate to minimize traying & remove binders.
TtGGt (TFE) Tape (not fused) .004", (TFE) Coated Glass .006" - (TFE) Coated Glass Braid - 482°C
900°F
538°C
1000°F
Yes Good Excellent FEP good to 260°C (500°F)
TtGt Fused Telfon Tape (TFE) .004" - (TFE) Coated Glass Braid .006" - 260°C
500°F
316°C
600°F
Yes Fair Very Good  
HgHg High Temp Glass Braid .012" - High Temp Glass Braid .012" Light Lacquer Coating 704°C
1300°F
871°C
1600°F
No Fair Fair Coating is retained to 149°C (300°F)
CtCt Ceramic Fiber .015" - Ceramic Fiber .020" - 1430°C
2600°F
1430°C
2600°F
No Good Fair  
NN Nylon .010" - Nylon .008"-.010" - 177°C
350°F
- Yes Excellent Fair Overall jacket is clear
P Polyvinyl .012"-.014" - Rip Cord construction - -29 to +105°C
-20 to +221°F
- Yes Good Excellent  
TxTx (FEP) Extr. .008" - (FEP) Extr. .010" - 204°C
400°F
316°C
600°F
Yes Very Good Excellent  
TfTf (TFE) Tape Fused .008" - (FEP) Tape Fused .008" - 260°C
500°F
316°C
600°F
Yes Good Excellent  
TxTxZS (FEP) Extr. .009" - (FEP) Extruded .010" Twisted; Alum.-Mylar Shield w/ Drain Wire - 204°C
400°F
316°C
600°F
Yes Very Good Excellent  
KZ Fused Kapton Tape .004" - None Twisted - 316°C
600°F
427°C
800°F
Yes (Tracers) Excellent Excellent FEP binder melts at approx. 260°C (500°F)
KK Fused Kapton
.006" on 24 ga.
.004" on 20 ga.
- Fused Kapton
.006" on 24 ga.
.004" on 20 ga.
- 316°C
600°F
427°C
800°F
Yes (Tracers) Excellent Excellent FEP binder melts at approx. 260°C (500°F)