Sprinklers installed where maximum ambient ceiling temperatures do not exceed 100 degrees F shall be _______ temperature rated sprinklers.

Sprinklers installed where maximum ambient ceiling temperatures do not exceed 100 degrees F shall be _______ temperature rated sprinklers.

• A. Ordinary
• B. Intermediate
• C. High
• D. Very High

Answer: (A)

Sprinkler temperature ratings are chosen so the head won’t release just from normal ceiling heat; the rating should be at least as high as the maximum ambient temperature in the space. When the ceiling temperature will not exceed 100°F, an ordinary temperature rated sprinkler is appropriate because its rating aligns with that ambient range. This keeps the sprinkler from activating prematurely in normal conditions and ensures it will respond properly in a fire when the temperature rises to the sprinkler’s rated value. Higher ratings (intermediate, high, very high) are used in spaces that experience higher ambient temperatures, but they’re not needed here and would be unnecessarily specialized.

Sprinkler temperature ratings are chosen so the head won’t release just from normal ceiling heat; the rating should be at least as high as the maximum ambient temperature in the space. When the ceiling temperature will not exceed 100°F, an ordinary temperature rated sprinkler is appropriate because its rating aligns with that ambient range. This keeps the sprinkler from activating prematurely in normal conditions and ensures it will respond properly in a fire when the temperature rises to the sprinkler’s rated value. Higher ratings (intermediate, high, very high) are used in spaces that experience higher ambient temperatures, but they’re not needed here and would be unnecessarily specialized.