Thermocouple
Standards and Color Codes |
United States and
International Color Coding |
| Standard ANSI color
coding (United States) is used on all insulated thermocouple wire
and extension wire when type of insulation permits. In color coding,
Watlow Gordon reserves the right to include a tracer to identify the
ANSI type. Thermocouple grade wire normally has a brown overall jacket.
For Types B, R and S the color codes relate to the compensating cable
normally used. Additionally, various national and international standard
agencies have adapted color codes for the identification of thermocouple
wire and products. These generally differ from those used by ANSI. |
Country |
National Standard |
Calibrations |
USA
Germany
Japan
United Kingdom
France |
ANSI MC96-1-82
DIN 43710
JIS C1602
BS 4937
NF C42-321 |
E, J,
K, T
E, J, K, T
E, J, K, T
E, J, K, T
E, J, K, T |
Italy
IEC |
CTI-UNI 7938
584-1:1977
| E, J,
K, T
E, J, K, T |
Thermocouple and Extension
Wire Color Codes |
| Overall/Positive (+)/Negative
(-) |
| T/C Type |
ANSI MC96.1
T/C |
ANSI MC96.1
Extension |
UK BS
1843 |
Germany
DIN 43714 |
Japan
JIS C1610-1981 |
France
NF C42-323 |
B(overall)
BP
BN |
---
---
--- |
Grey
+Grey
-Red |
---
---
--- |
Grey
+Red
-Grey |
Grey
+Red
-White |
---
---
--- |
E(overall)
EP
EN |
Brown
+Purple
-Red |
Purple
+Purple
-Red |
Brown
+Brown
-Blue |
Black
+Red
-Black |
Purple
+Red
-White |
---
---
--- |
J(overall)
JP
JN |
Brown
+White
-Red |
Black
+White
-Red |
Black
+Yellow
-Blue |
Blue
+Red
-Blue |
Yellow
+Red
-White |
Black
+Yellow
-Black |
K(overall)
KP
KN |
Brown
+Yellow
-Red |
Yellow
+Yellow
-Red |
Red
+Brown
-Blue |
Green
+Red
-Green |
Blue
+Red
-White |
Yellow
+Yellow
-Purple |
N(overall)
NP
NN |
Brown
+Orange
-Red |
Orange
+Orange
-Red |
---
---
--- |
---
---
--- |
---
---
--- |
---
---
--- |
R(overall)
RP
RN |
---
---
--- |
Green
+Black
-Red |
Green
+White
-Blue |
---
---
--- |
Black
+Red
-White |
---
---
--- |
S(overall)
SP
SN |
---
---
--- |
Green
+Black
-Red |
Green
+White
-Blue |
White
+Red
-White |
Black
+Red
-White |
Green
+Yellow
-Green |
T(overall)
TP
TN |
Brown
+Blue
-Red |
Blue
+Blue
-Red |
Blue
+White
-Blue |
Brown
+Red
-Brown |
Brown
+Red
-White |
Blue
+Yellow
-Blue |
|
|
