NFPA 72F : 1985
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
04-14-2021
01-12-2013
Chapter 1 Introduction
1.1 Scope
1.2 General
Chapter 2 Common Requirements
2.1 Installation and Design
2.2 Wiring and Circuits
2.3 Power Supply Sources
2.4 Monitoring Integrity of Conductors and Survivability
2.5 Records and Restoration
2.6 Maintenance
Chapter 3 Voice/Alarm Signaling Service
3.1 General
3.2 Functional Sequence
3.3 Voice and Tone Devices
3.4 Fire Command Station
3.5 Loudspeakers
3.6 Combination Systems
chapter 4 Two-Way Telephone Communication Service
4.1 Purpose
4.2 General
4.3 Off-Hook Indicator
4.4 Call-in Signal Silencing
4.5 Fire Service or Fire Warden Use
Chapter 5 Referenced Publications
Appendix A
Appendix B Referenced Publications
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