CREATE TABLE table_1240 ("Maximum Ceiling Temperature" TEXT, "Temperature Rating" TEXT, "Temperature Classification" TEXT, "Color Code  ( with Fusible Link ) " TEXT, "Glass Bulb Color" TEXT)

Name the most ceiling temperature for very extra high
SELECT "Maximum Ceiling Temperature" FROM table_1240 WHERE "Temperature Classification" = 'Very Extra High'
SELECT "Maximum Ceiling Temperature" FROM "table_1240" WHERE "Temperature Classification" = 'Very Extra High'