The CRL20029 ceramic heater element is Yellow in color when cool, and Orange when hot or energized. It is made by Tempco and is known as a ceramic infrared e-mitter or electric infrared heater. This radiant heater has NO type K thermocouple present for monitoring the infrared heating temperature. It is made as a 240/480 volt and 1000 watt ceramic heater element. This electric radiant heater has 3.5 inch leads with ceramic bead insulation, #8-10 spade terminals, and a one-piece mounting clip. It has a curved face design that is 11.61 inches long and 3.74 inches wide. There may be a 6 to 14 business day lead time before this heater will ship.