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fire alarm · single line diagram · hospital electrical

Hospital Fire Alarm System SLD with Nurse Call & Voice Evacuation

Type Single-line diagramStandard IEEE Std 315 + ANSI device numberingEngine schematex-sldUpdated 6/6/2026
Hospital Fire Alarm System SLD with Nurse Call & Voice Evacuation
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The scenario

A major hospital requires a fire alarm system integrated with nurse call and voice evacuation, supported by an emergency generator.

What is in this drawing

Read the decisions behind it.

01

Dedicated emergency bus with ATS and generator backup

02

Separate breakers for FACP, voice evac amplifier, and nurse call power

03

Battery backup at FACP for uninterrupted operation

When designing power supply for life safety systems in healthcare facilities.

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