What is the maximum voltage allowed for the fire alarm primary power source?

The maximum voltage allowed for the fire alarm primary power source is, in fact, up to 600 volts. This standard aligns with the National Fire Protection Association (NFPA) guidelines, which state that fire alarm systems must be powered adequately to ensure reliable operation. Fire alarm systems can indeed operate on voltage levels higher than what is typically found in residential or commercial electrical systems, specifically allowing voltages up to 600 volts for the primary power source.

This high voltage capability ensures that the systems are robust enough to support various components, maintain functionality during different conditions, and operate effectively across larger buildings with extensive notification and alarm requirements. Understanding the maximum voltage is crucial for installation and compliance with fire safety regulations, as it directly pertains to the adequacy and safety of fire alarm operations in response scenarios.