Table:
0
A
B
C
D
E
1
Maximum Ceiling Temperature
Temperature Rating
Temperature Classification
Color Code (with Fusible Link)
Glass Bulb Color
2
100°F / 38°C
135-170°F / 57-77°C
Ordinary
Uncolored or Black
Orange (135°F) or Red (155°F)
3
150°F / 66°C
175-225°F / 79-107°C
Intermediate
White
Yellow (175°F) or Green (200°F)
4
225°F / 107°C
250-300°F / 121-149°C
High
Blue
Blue
5
300°F / 149°C
325-375°F / 163-191°C
Extra High
Red
Purple
6
375°F / 191°C
400-475°F / 204-246°C
Very Extra High
Green
Black
7
475°F / 246°C
500-575°F / 260-302°C
Ultra High
Orange
Black
8
625°F / 329°C
650°F / 343°C
Ultra High
Orange
Black

Questions and formulas:
Question: What is the temperature classification of a purple colored glass bulb?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="purple"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="purple"),3))
Level: medium
Question: What is the color code with a temperature classification of ordinary?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="ordinary"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,C2:C8="ordinary"),4))
Level: medium
Question: What is the temperature rating of the intermediate temperature classification?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="intermediate"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,C2:C8="intermediate"),2))
Level: medium