An NFPA 13 fire sprinkler system requires listing of a main control valve and
A.
a flow switch.
B.
an air compressor.
C.
a gauge.
D.
a drain valve.
The Answer Is:
A
This question includes an explanation.
Explanation:
In an NFPA 13 fire sprinkler system, a main control valve must be listed, and a flow switch is also required to monitor water movement in the system, signaling activation of the sprinklers. The flow switch is a critical component for system monitoring and alerting.
References: NFPA 13 requirements for the installation and components of fire sprinkler systems, emphasizing the importance of listed equipment and system monitoring devices.
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