K type thermocouple color code

There are many types of thermocoupleseach with its own unique characteristics.

Thermocouples of all different types have their own colour coding to aid identification however this is not necessarily as easy as it may seem. As well as each thermocouple type having its own colour code, there are various national and international standards each having their own colour code system. It is important to positively identify which standard is being used before you can identify the thermocouple type. Other countries outside of Europe have their own standards and on occasion, these find there way into the UK market. Other colour codes which are now officially obsolete but may still be used, particularly on older machinery, are the old British Standard colour code which complied with BS and BS also the German DIN colour codes which complied with DIN

K type thermocouple color code

To help identify the thermocouple type and thermoelement conductor polarity, various colour codes have been developed and are in use around the world. There is still a demand for cables and sensors to be supplied to obsolete colour codes, such as BS In the UK and Europe, the most widely used colour code for Type K thermocouple cable is to the international IEC standard which is as follows:. Occasionally in the UK, American ANSI colours may be found which have a yellow outer sheath with yellow and red conductors as shown below. You may also come across some old redundant colours such as the obsolete BS standard and these are shown in the table below:. Type KCA - This compensating cable conductor combination is little known and generally not available. It should not be confused with the more popular Type KCB as shown below. If suitable to your requirements it can save money where long runs are necessary. In the UK and Europe, the most widely used colour code for Type T thermocouple cable is to the international IEC standard which is as follows:. Type TX extension cable conductors are made from the same constituent elements as Type T thermocouples. There is no compensating cable available for Type T, however the extension cable is relatively inexpensive. In the UK and Europe, the most widely used colour code for Type J thermocouple cable is to the international IEC standard which is as follows:. Occasionally in the UK, American ANSI colours may be found which have a black outer sheath with white and red conductors as shown below. Type JX extension cable conductors are made from the same constituent elements as Type J thermocouples. There is no compensating cable available for Type J, however the extension cable is relatively inexpensive.

Again the simplest method to confirm the thermocouple type is by using a magnet to test. A type T thermocouple has one red wire and one blue wire. This compensating cable is made from Copper vs Copper conductors.

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Japanese to JIS C Used for interconnecting Type "K" thermocouples and instrumentation as an alternative to Type "K" material. Color coded for use as a compensating cable for Type "K" thermocouples. This compensating cable can also be used for extending Type "T" thermocouples. Many low temperature and cryogenic applications. Suitable for use in a mildly oxidizing or reducing atmosphere as an unprotected thermocouple sensor. Commonly used in the plastic molding industry. Used in reducing atmospheres as an unprotected thermocouple sensor. NB Iron rusts at low and oxidizes at high temps. Suitable for use in a vacuum or mildly oxidizing or reducing atmosphere as an unprotected sensor.

K type thermocouple color code

You will see in the table below, that commonly, negative wires are red, the outer sheath for thermocouple grades is brown and the positive lead is color coded according to thermocouple type. For extension grade cables this positive leg color is also carried over to the outer insulation color. Fiberglass insulated wires follow the same system but have a colored tracer rather than a solid color. We also have an extensive range of data sheets available for all our Thermocouple Grade Wire and Thermocouple Extension Wire. Extension wire can offer a cost advantage. For base metal thermocouples, the wire is the same composition as the corresponding thermocouple. For noble metal thermocouples, the wire is an entirely different alloy which matches the noble metal characteristics over a specified temperature range.

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No other thermocouple uses Copper as a conductor so this can aid positive identification. Cookie settings OK. Thermocouple diagram to aid identification. A type N thermocouple has one red wire and one orange wire. With respect to other colour coding standards, there are a couple of other difficulties in identifying type J. So again, a type K thermocouple connector would have a green casing and a type J would be black. In the UK and Europe, the most widely used colour code for Type E thermocouple cable is to the international IEC standard which is as follows:. These cookies do not store any personal information. Obsolete codes Other colour codes which are now officially obsolete but may still be used, particularly on older machinery, are the old British Standard colour code which complied with BS and BS also the German DIN colour codes which complied with DIN Non-necessary Non-necessary. As such, a lot of cable still in use and being supplied could well be to the historical industry accepted standard shown in the table below. Address 2. Within these notes we will also provide additional tips on positive identification of the thermocouple type. Again the simplest method to confirm the thermocouple type is by using a magnet to test. It can be assumed that as Type N thermocouples become more popular the compensating cable will start to be produced.

To help identify the thermocouple type and thermoelement conductor polarity, various colour codes have been developed and are in use around the world. There is still a demand for cables and sensors to be supplied to obsolete colour codes, such as BS In the UK and Europe, the most widely used colour code for Type K thermocouple cable is to the international IEC standard which is as follows:.

In the UK and Europe, the most widely used colour code for Type R thermocouple cable is to the international IEC standard which is as follows:. Other countries outside of Europe have their own standards and on occasion, these find there way into the UK market. There is no compensating cable available for Type T, however the extension cable is relatively inexpensive. Remember me Log in. Both positive and negative for type K and type E are the same colours Brown and Blue and the only difference is the jacket colour of the cable. What follows is specifically for IEC colour code and is not applicable to the other standards mentioned. Thermocouple Types. This category only includes cookies that ensures basic functionalities and security features of the website. The magnetic pull is very slight for type K so needs some care to notice it. Company Name. Use the magnet test as described above.