Which organization is best known for setting safety standards in the design and installation of fire protection systems?

The organization best known for setting safety standards in the design and installation of fire protection systems is the National Fire Protection Association (NFPA). NFPA plays a crucial role in establishing codes and standards that are widely recognized and adopted for fire safety. These standards address various aspects of fire protection, including the design, installation, and maintenance of fire systems, ensuring that they are effective in preventing and controlling fires.

NFPA standards cover a wide range of topics, including fire alarm systems, sprinkler systems, and other fire suppression technologies, providing guidelines that help both manufacturers and installation personnel. The organization's work is aimed at improving fire safety and reducing risks associated with fire hazards in buildings and other environments, making it a key resource in fire safety management.

While other organizations like ANSI, ASME, and ASTM contribute to safety and engineering standards in various fields, none are as singularly focused and recognized for fire protection systems as NFPA is.