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Electrical
ESA Alarm Technician Certification
Fire Alarm Control Panels & Signal Types
Vérification des connaissances
Fire Alarm Control Panels & Signal Types
Vérification des connaissances
Vérification des connaissances
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What distinguishes a supervisory signal from a trouble signal on a fire alarm panel?
A
A trouble signal triggers evacuation while a supervisory signal only alerts maintenance staff
B
Supervisory signals are only used in addressable systems while trouble signals apply to conventional systems
C
Supervisory signals are generated by smoke detectors while trouble signals are generated by heat detectors
D
A supervisory signal indicates an off-normal condition in a related protection system such as a closed sprinkler valve, while a trouble signal indicates a fault within the fire alarm system itself
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