High Accuracy, Industrial Rated 5pc Set of N Type Thermocouple Male Plug Specification: - for N-Type Thermocouples: Nicrosil / Nisil - durable glass filled nylon, color coded according to ANSI, N-type orange - captive screws, spring loaded wire terminal and write on label - stable to 360 degree Fahrenheit or 180 degree Celsius - transmits the temperature signal from -454 to +2400 °F or -270 to +1300 °C.