Thermocouple Cable: Insulations and Jackets & Color Code Tables

Thermocouple Cable: Insulations and Jackets & Color Code Tables

Manhattan/CDT can furnish a wide variety of insulation and jacketing materials engineered to the most exacting requirements of your specifications.
Table II lists many commonly used combinations. Where special conditions may prevail, Manhattan/CDT’s technical staff is always available for consultation and custom design.

Table II - Thermocouple Wire Insulation and Jacket Characteristics

Insulation
Material Jacket Material Temperature °C (°F) Mechanical Properties Chemical Properties

Continuous Intermittent Flame Abrasion Res. Flex. Solvents Acids Bases Moisture

Ceramic Fiber Ceramic Fiber 1204 (2200) 1427 (2600) E G G G F G F

Glass Braid
(with Silicone) Glass Braid
(with Silicone) 482 (900) 538 (1000) E F - G G E E E G

Kapton* Kapton* 260 (500) 427 (800) E E E E E E E

Nylon Nylon 120 (248) N/A P E G G P E P - F

PVC Nylong 150 (221) N/A G E G F P E G

PVC PVC 105 (221) N/A G G G F G G G

Teflon (FEP)* Teflon (FEP)* 240 (400) 250 (482) E E G E E E E

Teflon (TFE-Tape)* Teflon (TFE-Tape)* 260 (500) 288 (550) E E E E E E E

Tefzel* Tefzel* 150 (302) 200 (382) E E E E E E E

*Trademark of E.I. Du Pont Co. Property Rating: E=Excellent, G=Good, F=Fair, P=Poor

The American National Standards Institute - ANSI and the Instrument Society of America - ISA have established stringent standards of calibration to govern the specifications of manufacture of thermocouple extension wire and cable.
Manhattan/CDT’s product line of these items fully complies with these standards, and Table III. Indicates the ANSI color code to insure positive identification.

Table III - ANSI/ISA Color Code All pairs are numbered for identification

Type Material Color Code Overall Jacket

Extension Grade Positive
Wire Negative
Wire Positive
Wire Negative
Wire Extention Overall Jacket

JX J Iron Constantan White Red Black Brown

KX K Chromel® Alumel® Yellow Red Yellow Brown

TX T Copper Constantan Blue Red Blue Brown

EX E Chromel® Constantan Purple Red Purple Brown

RX,SX ---- Copper Copper Alloy
#11 Black Red Green N/A

Alumel® and Chromel® are registered trademarks of Hoskins Manufacturing Company

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Insulation Material	Jacket Material	Temperature °C (°F)		Mechanical Properties			Chemical Properties
Insulation Material	Jacket Material	Continuous	Intermittent	Flame	Abrasion Res.	Flex.	Solvents	Acids	Bases	Moisture
Ceramic Fiber	Ceramic Fiber	1204 (2200)	1427 (2600)	E	G	G	G	F	G	F
Glass Braid (with Silicone)	Glass Braid (with Silicone)	482 (900)	538 (1000)	E	F - G	G	E	E	E	G
Kapton*	Kapton*	260 (500)	427 (800)	E	E	E	E	E	E	E
Nylon	Nylon	120 (248)	N/A	P	E	G	G	P	E	P - F
PVC	Nylong	150 (221)	N/A	G	E	G	F	P	E	G
PVC	PVC	105 (221)	N/A	G	G	G	F	G	G	G
Teflon (FEP)*	Teflon (FEP)*	240 (400)	250 (482)	E	E	G	E	E	E	E
Teflon (TFE-Tape)*	Teflon (TFE-Tape)*	260 (500)	288 (550)	E	E	E	E	E	E	E
Tefzel*	Tefzel*	150 (302)	200 (382)	E	E	E	E	E	E	E



The American National Standards Institute - ANSI and the Instrument Society of America - ISA have established stringent standards of calibration to govern the specifications of manufacture of thermocouple extension wire and cable. Manhattan/CDT’s product line of these items fully complies with these standards, and Table III. Indicates the ANSI color code to insure positive identification.

Table III - ANSI/ISA Color Code	All pairs are numbered for identification

Type		Material		Color Code		Overall Jacket
Extension	Grade	Positive Wire	Negative Wire	Positive Wire	Negative Wire	Extention	Overall Jacket
JX	J	Iron	Constantan	White	Red	Black	Brown
KX	K	Chromel®	Alumel®	Yellow	Red	Yellow	Brown
TX	T	Copper	Constantan	Blue	Red	Blue	Brown
EX	E	Chromel®	Constantan	Purple	Red	Purple	Brown
RX,SX	----	Copper	Copper Alloy #11	Black	Red	Green	N/A