Junction box Thermocouple connection head terminal block insulater, Material:Aluminum, Color: Silver, Type: 2P,3P,4P,6P; KNC Junction BoxFeatures: 1,Used with thermocouple and ... Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer integrated control system etc ...