Which temperature rating would require the installation of an orange sprinkler head?

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Multiple Choice

Which temperature rating would require the installation of an orange sprinkler head?

Explanation:
The color of a sprinkler head shows its activation temperature. An orange head is used for the highest common temperature rating, meaning it won’t activate until exposed to very high heat. That rating is about 500–575°F, so when you see orange you’re looking at a head designed for environments where heat could reach extreme levels. The other temperature ranges (lower numbers) correspond to heads with lower activation temperatures, which are indicated by other colors.

The color of a sprinkler head shows its activation temperature. An orange head is used for the highest common temperature rating, meaning it won’t activate until exposed to very high heat. That rating is about 500–575°F, so when you see orange you’re looking at a head designed for environments where heat could reach extreme levels. The other temperature ranges (lower numbers) correspond to heads with lower activation temperatures, which are indicated by other colors.

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