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Type K thermocouple lead wire with female tabs for connection to the terminal strip. The wire ends are pre-stripped for easy insertion into the terminal block.
Is it necessary to replace the porcelain block and wire if I replace the thermocouple?
No, provided that the wire and block are in good condition without damage or corrosion, replacement is not required.
Which wire designates positive and which is negative?
In a thermocouple configuration, the red wire represents the negative polarity, while the yellow wire denotes the positive.
Replacement of 8 Gauge Thermocouple - Standard Thermocouple