Skutt Type K Thermocouple Wire (Vinyl)

Sold by the inch

Yellow vinyl covered thermocouple wire is used to make the connection from the back of the heat baffle to the touchpad. Vinyl wire is less heat resistant than cloth covered wire so it is used in applications where there is little chance it will contact hot kiln parts.

Do I need to replace the porcelain block and wire if I replace the thermocouple?

No. As long as the wire and block are not damaged or corroded you will not need to replace them.

Which wire is positive and which is negative?

On a thermocouple, the red wire is negative and the yellow wire is positive.