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NOTE: This is an unformatted excerpt from our online fire protection training library.

Auxiliary Fire Alarm Systems

Auxiliary Systems

Disconnection

When a problem occurs with the fire alarm box at the protected premises, the local fire officials are provided with a way to disconnectThe disconnect has to be available only to authorized people. This is required so that if the shunt-type auxiliary system develops a fault that can impair the public reporting system, the equipment at the protected premises can be disconnected to allow the public reporting system to remain in service. the box from the auxiliary station transmission means. Typically, the disconnecting means is located inside the auxiliary box. Notification of the disconnection has to be given to the property owner's representative.

The AHJ has the right to determine the type of transmitter to be used and connected to the public fire alarm reporting system. The auxiliary fire alarm system in the building is not required to provide occupant notificationAt one time, some manufacturers of auxiliary fire alarm equipment offered a fire alarm system that put AC current on circuits to operate notification appliances on the DC manual fire alarm initiating device circuits of a shunt-type system. However, this arrangement will not meet code requirments that are in force today in most of the country..
NOTE: This is an unformatted excerpt from our online fire protection training library.

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