K type thermocouple color code

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.

There are many types of thermocouples , each with its own unique characteristics. You can easily identify a thermocouple type by the colors of its wire insulation. In ANSI color coding, the red wire of a thermocouple is negative, and the positive wire is color coded to the type of thermocouple. There are many types of thermocouples, each with its own unique characteristics. A type K thermocouple has one red wire and one yellow wire. Type K thermocouples have a useful temperature range of negative to 1, degrees Celsius. A type J thermocouple has one red wire and one white wire.

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.

By using a magnet, test the negative leg of the cable. As mentioned already, the thermocouple colour coding system seems straight forward at first glance but there are some pitfalls to be aware of and these will be described as follows. The German standard for type J is still relatively commonly used k type thermocouple color code it is a common type in plastics machines but there may be cause for confusion as the colour code, Red and Blue with a Blue jacket, is identical to the American ANSI colour code for type T!

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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.

K type thermocouple color code

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.

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There is no compensating cable available for Type E. You also have the option to opt-out of these cookies. Thermocouple Wire Colour Code. Thermocouple Colour Code. Within these notes we will also provide additional tips on positive identification of the thermocouple type. Type N thermocouples have a useful temperature range of negative to 1, degrees Celsius. How does a Thermocouple Work? Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 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. Address 1. It should not be confused with the more popular Type KCB as shown below. Thermocouple diagram to aid identification. Click to expand the image. Thermocouple Cable Colours - At a Glance. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website.

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Type KCA - This compensating cable conductor combination is little known and generally not available. Page Categories. It is mandatory to procure user consent prior to running these cookies on your website. Your Name. This colour is different for each type. In the UK and Europe, the most widely used colour code for Type S thermocouple cable is to the international IEC standard which is as follows:. Are there any non-standardised thermocouple colours? Thermocouple Colour Code. If the colour coding is unclear you can again use a magnet. You can easily identify a thermocouple type by the colors of its wire insulation. Other countries outside of Europe have their own standards and on occasion, these find there way into the UK market.