Final answer:
Fog nozzles are used in transformer vaults and hazardous areas to suppress fires without damaging sensitive equipment. They are a part of electrical safety systems and their correct usage is critical in avoiding accidents in environments with potential fire hazards.
Step-by-step explanation:
Fog nozzles are used for transformer vaults and other hazardous areas. These nozzles are designed to produce a fine mist that can absorb heat and reduce the oxygen content around a fire, helping to suppress it without causing damage to sensitive equipment like transformers. Given the potential for dangerous gases and conditions such as in underground mine fires, where warning signs caution against serious injury or death due to gases and ground collapse, the use of fog nozzles can be a critical safety measure.
When working with equipment like Bunsen burners or in environments where fire hazards exist, it is crucial to take appropriate safety measures to prevent accidents. Transformers, which are often found in electrical safety systems, must be handled with care to prevent fires and ensure the safety of the surrounding area. These systems are vital for powering and protecting infrastructure and are thus implemented with the highest safety considerations in mind, as described in resources like Electrical Safety: Systems and Devices.