Table:
text: Fire sprinkler
Operation
Operation
Maximum_Ceiling_Temperature Temperature_Rating Temperature_Classification Color_Code_with_Fusible_Link Glass_Bulb_Color
100°F / 38°C 135-170°F / 57-77°C Ordinary Uncolored or Black Orange (135°F) or Red (155°F)
150°F / 66°C 175-225°F / 79-107°C Intermediate White Yellow (175°F) or Green (200°F)
225°F / 107°C 250-300°F / 121-149°C High Blue Blue
300°F / 149°C 325-375°F / 163-191°C Extra High Red Purple
375°F / 191°C 400-475°F / 204-246°C Very Extra High Green Black
475°F / 246°C 500-575°F / 260-302°C Ultra High Orange Black
625°F / 329°C 650°F / 343°C Ultra High Orange Black

Question: What is the temperature classification of a purple colored glass bulb under sprinkler systems?

Question: What is the color code with a normal temperature classification for sprinkler systems?

Question: What is the temperature class of the intermediate temperature classification among sprinkler systems?