33020 CENTRAL STATION FIRE ALARM SYSTEMS
33020 is a Level II General Non-Core Work element.
33020 DESCRIPTION
Understand fire alarm systems for central station service, including purpose, operation, basic requirements, power supply sources at the supervising station and protected premises, signal capacity of circuits, types of signaling services available, active multiplex systems, digital alarm communicator systems, and alarm retransmission. (NFPA 72)
33020 REFERENCES:
NFPA 72
NICET TEST PREPARATION HANDBOOKS are now available for this element and for every element in level 1 through level 4.
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