Which statement best describes a Type B Standard Duty Site?

• A. It is exposed to lightning and houses public safety or mission critical installations
• B. It has no tower
• C. It is unoccupied
• D. It uses only Class BC extinguishers

Answer: (A)

Type B Standard Duty Site is defined by its exposure to lightning and its role in housing public safety or mission-critical installations. That combination signals a site that must maintain reliability and resilience because it supports essential services during and after electrical events. The statement that matches this definition directly states both aspects—exposure to lightning and hosting critical public safety or mission-critical operations—making it the best fit. Other options miss this defining mix: having no tower isn’t what designates a Type B site, occupancy isn’t the defining factor, and using only Class BC extinguishers relates to firefighting equipment rather than the site’s duty status.