Which item identifies heat sources for sprinkler temperature ratings?

Which item identifies heat sources for sprinkler temperature ratings?

• A. Sprinkler Listing
• B. NFPA Standards
• C. Table 6.2.3.3.3
• D. Residential horizontal sidewall sprinkler

Answer: (C)

Sprinkler temperature ratings are set based on the heat exposure a sprinkler might encounter in service, so the standard provides a specific reference that identifies the heat sources used to establish those ratings. Table 6.2.3.3.3 is that reference—it groups the heat sources (such as ambient temperature and radiant heat conditions) and shows how they influence the rating designation. This helps ensure you select a sprinkler whose rating matches the actual fire environment your system could face. Other options don’t provide the heat-source list: sprinkler listing deals with product approvals, NFPA standards are the overall requirements framework, and a residential horizontal sidewall sprinkler is a sprinkler type, not a source of rating information.

Sprinkler temperature ratings are set based on the heat exposure a sprinkler might encounter in service, so the standard provides a specific reference that identifies the heat sources used to establish those ratings. Table 6.2.3.3.3 is that reference—it groups the heat sources (such as ambient temperature and radiant heat conditions) and shows how they influence the rating designation. This helps ensure you select a sprinkler whose rating matches the actual fire environment your system could face. Other options don’t provide the heat-source list: sprinkler listing deals with product approvals, NFPA standards are the overall requirements framework, and a residential horizontal sidewall sprinkler is a sprinkler type, not a source of rating information.