A standard industrial ANSI color coded thermocouple connector for use up to +350°F (+177°C) The housing is made of glass filled nylon instead of ceramic and has much improved impact resistance A standard industrial ANSI color coded thermocouple connector for use up to +350°F (+177°C) continuous. The housing used in the Series 110 and Series 111 is a type of glass filled nylon instead of ceramic and has much improved impact resistance. Contacts are rolled thermocouple alloy material except for Pl