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Generator shut provide power within 80 seconds to a fire system alarm to___

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Final answer:

A generator should provide power within 80 seconds to a fire system alarm. Ground fault interrupters (GFIs) prevent shock by detecting the loss of current to unintentional paths. Isolation transformers insulate the device being powered from the original source to prevent shock.

Step-by-step explanation:

In the context of a fire system alarm, a generator should be able to provide power within 80 seconds to ensure that the alarm functions properly. This is necessary because fire alarms rely on an uninterrupted power supply to operate effectively.

A ground fault interrupter (GFI) is a safety device that prevents shock by monitoring the flow of electrical current. It automatically shuts off the power if it detects a loss of current to unintentional paths, such as through a person's body in the case of electrical shock.

An isolation transformer is used to provide electrical isolation between the device being powered and the original power source. It helps prevent electrical shocks by physically separating the device from the power source, reducing the risk of current flowing through unintended paths.

User Audun Larsen
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Final answer:

Generator should provide power within 80 seconds to a fire system alarm to ensure a timely and effective response to potential fire emergencies.

Step-by-step explanation:

In fire safety systems, the speed at which a generator can provide power is crucial for the swift activation of fire alarms and related safety measures. The 80-second timeframe is significant because it aligns with industry standards and regulations that emphasize the importance of rapid response in the event of a fire.

During a power outage, the generator must kick in within this timeframe to ensure uninterrupted power supply to the fire system, enabling immediate detection and notification of a fire incident.

The calculation of this 80-second requirement involves considering the time-sensitive nature of fire emergencies. The National Fire Protection Association (NFPA) and other regulatory bodies establish guidelines for the performance of fire safety systems, including the time it takes for a backup power source (such as a generator) to take over in case of a power failure. This standard is designed to minimize delays in alerting occupants and emergency responders to a potential fire, enhancing the overall safety and effectiveness of fire protection measures.

Ensuring that a generator can provide power within 80 seconds is critical for preventing potential harm and property damage caused by fires. This rapid response time allows for early detection, evacuation, and intervention, emphasizing the importance of reliable and timely backup power in maintaining the effectiveness of fire safety systems.

User Master Chief
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