---
title: How Do Fire Alarm Systems Work?
description: Learn all about fire alarm systems and their pros and cons for business owners.
image: https://blog.koorsen.com/hubfs/Fire%20Alarm%20Pull%20Station.jpg
---

[![Koorsen Fire & Security](https://blog.koorsen.com/hs-fs/hubfs/KoorsenFireSecurity_April2017/Images/koorsen-logo.png?width=209&height=50&name=koorsen-logo.png "Koorsen Fire & Security")](https://www.koorsen.com/)

[CONTACT US](https://www.koorsen.com/contact-us/) [BILL PAY](https://www.koorsen.com/koorsen-payments/)

[1.866.311.7753](tel:8663117753)

- [About Us](https://www.koorsen.com/about-us/) 
    - [History](https://www.koorsen.com/about-us/history/)
    - [Case Studies](https://blog.koorsen.com/case-studies)
    - [Koorsen Companies](https://www.koorsen.com/about-us/companies/)
    - [Koorsen Training Center](https://www.koorsen.com/about-us/training-center/)
    - [Kasey Program](https://www.koorsen.com/about-us/kasey-program/)
    - [Pay Bill](https://www.koorsen.com/koorsen-payments/)
- [Products + Services](https://www.koorsen.com/products-services/) 
    - [Fire Protection](https://www.koorsen.com/products-services/fire-protection/)
    - [Security](https://www.koorsen.com/products-services/security/)
    - [Communications](https://www.koorsen.com/products-services/communications/)
    - [Mobile Equipment Solutions](https://www.koorsen.com/products-services/mobile-equipment-solutions/)
    - [Additional Products + Services](https://www.koorsen.com/products-services/#additional)
- [Industries](https://www.koorsen.com/industries/) 
    - [Healthcare](https://www.koorsen.com/industries/healthcare/)
    - [Industrial](https://www.koorsen.com/industries/industrial/)
    - [Education](https://www.koorsen.com/industries/education/)
    - [Restaurants](https://www.koorsen.com/industries/restaurants/)
    - [Property Management](https://www.koorsen.com/industries/property-management/)
    - [Hospitality](https://www.koorsen.com/industries/hospitality/)
    - [Retail](https://www.koorsen.com/industries/retail/)
    - [Construction](https://www.koorsen.com/industries/construction/)
- [Locations](https://www.koorsen.com/locations/)
- [News](https://blog.koorsen.com) 
    - [Koorsen Blog](https://blog.koorsen.com)
    - [Koorsen In The News](https://www.koorsen.com/in-the-news/)
    - [Kasey the Dog Blog](https://blog.koorsen.com/kaseys-adventures)
- [Careers](https://www.koorsen.com/about-us/careers/)

# How Do Fire Alarm Systems Work?

 Posted March 29, 2022  by [Koorsen Fire & Security](https://blog.koorsen.com/author/koorsen-fire-security)

![Fire Alarm Pull Station](https://blog.koorsen.com/hs-fs/hubfs/Fire%20Alarm%20Pull%20Station.jpg?width=1200&name=Fire%20Alarm%20Pull%20Station.jpg)

Most people think of [fire alarm systems](https://www.koorsen.com/products-services/fire-protection/fire-alarm-systems/) as being developed to keep people safe from emergencies. With alarms to alert us to possible danger, people can protect themselves from fire, smoke, or other hazardous situations.

It’s not often that fire alarm systems are considered on a daily basis, but once emergency strikes, they can turn the tide of a disaster and even save lives.

But how does a fire detection system work? We’ll discuss the different fire alarm systems and discuss their pros and cons for business owners.

[![Fire Alarm System Questions? Click to Contact Us Now!](https://no-cache.hubspot.com/cta/default/1973249/b3a8ea3b-70d2-46e9-be6d-f07129820e82.png)](https://cta-redirect.hubspot.com/cta/redirect/1973249/b3a8ea3b-70d2-46e9-be6d-f07129820e82)

## Fire Alarm Components

To better understand a fire alarm system, it’s best to break it down to the basics. Most fire alarms will have these main components.

### Control Panel

This component is the hub that monitors your detectors, summarizes the building’s fire security, and controls outputs.

### Initiation Devices

These devices will activate in case of a problem. They can be either a [manual pull station](https://blog.koorsen.com/what-are-the-requirements-for-a-fire-alarm-pull-station) or an automatic smoke detector.

### Primary and Secondary Power Supplies

These will power your fire alarm systems. The backup power will kick in to keep your system active should your primary source fail.

### Notification Systems

Notification devices are the things that will let people know there’s an emergency. The system could be anything from [flashing lights](https://blog.koorsen.com/what-makes-up-a-fire-alarm-system) to a blaring sound or loudspeaker with an announcement.

## Conventional Fire Alarms

A [conventional fire alarm](https://blog.koorsen.com/conventional-or-addressable-fire-alarm-systems-which-one-should-you-choose-for-your-business) system requires the installation of physical cabling to connect multiple call points and detectors. The signals picked up from the detectors are then wired back to the control panel.

The alarms and smoke detectors are arranged by zone to make it easier to locate the problem that triggered the signal. The more zones a building has, the higher the chances are of quickly pinpointing the alarm trigger.

## Addressable Fire Alarms

Addressable alarms offer similar protection to conventional alarms, but with the added benefit of not needing to rely on zones, giving you more clarity over the issue in question.

These systems are similar to the conventional systems, except every detector is given a unique address and description. The control panel can then determine the exact detector that sets off the alarm.

## Intelligent Fire Alarms

In an intelligent fire alarm system, every detector has its own computer capable of notifying the control panel if it needs attention, whether the issue is a routine cleaning or an actual fire. These alarm systems are much more complex than the conventional or addressable ones, and they’re much more likely to help prevent a false alarm.

## Wireless Fire Alarms

Wireless alarms use radio communications to connect the sensors with the control panel. Their benefits are similar to the intelligent fire alarm, and they have the added advantage of not needing extra cabling.

## Custom Fire Security for Your Business

Now that you know how different fire alarm systems could keep your business safe, it’s time to take the next step. Call the experts at [Koorsen Fire & Security](https://www.koorsen.com/locations/), and you’ll have access to the most impressive and comprehensive fire alarm systems on the market.

[![Fire Alarm System Questions? Click to Contact Us Now!](https://no-cache.hubspot.com/cta/default/1973249/b3a8ea3b-70d2-46e9-be6d-f07129820e82.png)](https://cta-redirect.hubspot.com/cta/redirect/1973249/b3a8ea3b-70d2-46e9-be6d-f07129820e82)

 

- [Tweet](https://twitter.com/share)

 Topics: [Fire Protection](https://blog.koorsen.com/topic/fire-protection), [Fire Alarm Systems](https://blog.koorsen.com/topic/fire-alarm-systems)

## Contact Us Now!

*Disclaimer: The information in this article is for informational purposes only. It is believed to be reliable, but Koorsen Fire & Security assumes no responsibility or liability for any errors or omissions in the content of this article. It does not constitute professional advice. The user of this article or the product(s) is responsible for verifying the information's accuracy from all available sources, including the product manufacturer. The authority having jurisdiction should be contacted for code interpretations.* 

### Related posts

[Overview and FAQs of NFPA 101](https://blog.koorsen.com/overview-and-faqs-of-nfpa-101)

[Overview of NFPA 99, Health Care Facilities Code](https://blog.koorsen.com/overview-of-nfpa-99-health-care-facilities-code)

[Code Requirements for Commercial Fire Protection](https://blog.koorsen.com/code-requirements-for-commercial-fire-protection)

[Design Considerations for Commercial Fire Protection](https://blog.koorsen.com/design-considerations-for-commercial-fire-protection)

[Advances In Commercial Fire Protection Technology](https://blog.koorsen.com/advances-in-commercial-fire-protection-technology)

[![Questions! Contact Us Now!](https://no-cache.hubspot.com/cta/default/1973249/27550866-4d2c-46fb-8ec4-ef118de52673.png)](https://cta-redirect.hubspot.com/cta/redirect/1973249/27550866-4d2c-46fb-8ec4-ef118de52673)

### SEARCH OUR BLOG

This is a search field with an auto-suggest feature attached.

- There are no suggestions because the search field is empty.

### Subscribe to Our Blog

### Recent Posts

### CATEGORIES

- [Commercial Security (111)](https://blog.koorsen.com/topic/commercial-security)
- [Fire Protection (109)](https://blog.koorsen.com/topic/fire-protection)
- [Fire Extinguisher (77)](https://blog.koorsen.com/topic/fire-extinguisher)
- [Fire Alarm Systems (75)](https://blog.koorsen.com/topic/fire-alarm-systems)
- [Fire Safety & Security (73)](https://blog.koorsen.com/topic/fire-safety-security)
- [Koorsen News (73)](https://blog.koorsen.com/topic/koorsen-news)
- [Fire Sprinkler Systems (67)](https://blog.koorsen.com/topic/fire-sprinkler-systems)
- [Fire Safety (61)](https://blog.koorsen.com/topic/fire-safety)
- [Access Control Systems (45)](https://blog.koorsen.com/topic/access-control-systems)
- [Fire Suppression (43)](https://blog.koorsen.com/topic/fire-suppression)
- [Inspection/Testing (43)](https://blog.koorsen.com/topic/inspectiontesting)
- [Small Business Security (39)](https://blog.koorsen.com/topic/small-business-security)
- [Kitchen Fire Suppression (37)](https://blog.koorsen.com/topic/kitchen-fire-suppression)
- [Video Surveillance (30)](https://blog.koorsen.com/topic/video-surveillance)
- [Fire Training (24)](https://blog.koorsen.com/topic/fire-training)
- [Restaurant Industry (24)](https://blog.koorsen.com/topic/restaurant-industry)
- [Emergency/Exit Lighting (22)](https://blog.koorsen.com/topic/emergency-exit-lighting)
- [Monitoring (20)](https://blog.koorsen.com/topic/monitoring)
- [NFPA (19)](https://blog.koorsen.com/topic/nfpa)
- [Education Industry (18)](https://blog.koorsen.com/topic/education-industry)
- [Commercial Kitchen (17)](https://blog.koorsen.com/topic/commercial-kitchen)
- [Training & Education (15)](https://blog.koorsen.com/topic/training-education)
- [Fire Pumps (12)](https://blog.koorsen.com/topic/fire-pumps)
- [Healthcare Industry (12)](https://blog.koorsen.com/topic/healthcare-industry)
- [Property Management Industry (10)](https://blog.koorsen.com/topic/property-management-industry)
- [Bi-Directional Amplifier (9)](https://blog.koorsen.com/topic/bi-directional-amplifier)
- [Emergency Notification (9)](https://blog.koorsen.com/topic/emergency-notification)
- [General (9)](https://blog.koorsen.com/topic/general)
- [Nurse Call System (9)](https://blog.koorsen.com/topic/nurse-call-system)
- [Kasey Program (8)](https://blog.koorsen.com/topic/kasey-program)
- [Restaurant (8)](https://blog.koorsen.com/topic/restaurant)
- [Education (7)](https://blog.koorsen.com/topic/education)
- [Property Management (7)](https://blog.koorsen.com/topic/property-management)
- [Construction Industry (6)](https://blog.koorsen.com/topic/construction-industry)
- [Koorsen Family Foundation (6)](https://blog.koorsen.com/topic/koorsen-family-foundation)
- [Press (6)](https://blog.koorsen.com/topic/press)
- [Retail Industry (6)](https://blog.koorsen.com/topic/retail-industry)
- [Mobile Equipment (4)](https://blog.koorsen.com/topic/mobile-equipment)
- [Vehicle Fire Suppression (4)](https://blog.koorsen.com/topic/vehicle-fire-suppression)
- [Awards (3)](https://blog.koorsen.com/topic/awards)
- [Dry Chem Suppression (3)](https://blog.koorsen.com/topic/dry-chem-suppression)
- [Engineering (3)](https://blog.koorsen.com/topic/engineering)
- [Hospitality Industry (3)](https://blog.koorsen.com/topic/hospitality-industry)
- [Long Term Care (3)](https://blog.koorsen.com/topic/long-term-care)
- [Podcast (3)](https://blog.koorsen.com/topic/podcast)
- [Industrial (2)](https://blog.koorsen.com/topic/industrial)
- [Infographics (2)](https://blog.koorsen.com/topic/infographics)
- [KnoxBox (2)](https://blog.koorsen.com/topic/knoxbox)
- [Backflow Preventer (1)](https://blog.koorsen.com/topic/backflow-preventer)
- [Construction (1)](https://blog.koorsen.com/topic/construction)
- [Distributed Antenna Systems (1)](https://blog.koorsen.com/topic/distributed-antenna-systems)
- [Flame Detection (1)](https://blog.koorsen.com/topic/flame-detection)
- [Government (1)](https://blog.koorsen.com/topic/government)
- [Home Security (1)](https://blog.koorsen.com/topic/home-security)
- [The Joint Commission (1)](https://blog.koorsen.com/topic/the-joint-commission)
- [Underground Services (1)](https://blog.koorsen.com/topic/underground-services)

see all

### ALL PRODUCTS AND SERVICES

- [Fire Extinguishers](https://www.koorsen.com/products-services/fire-protection/fire-extinguishers/)
- [General Fire Products](https://www.koorsen.com/products-services/fire-protection/general-fire-products/)
- [Emergency/Exit Lighting](https://www.koorsen.com/products-services/fire-protection/emergency-exit-lighting/)
- [Fire Alarm Systems](https://www.koorsen.com/products-services/fire-protection/fire-alarm-systems/)
- [Fire Sprinkler Systems](https://www.koorsen.com/products-services/fire-protection/fire-sprinkler-systems/)
- [Kitchen Fire Suppression](https://www.koorsen.com/products-services/fire-protection/kitchen-hood-fire-suppression/)

- [Fire Suppression Systems](https://www.koorsen.com/products-services/fire-protection/fire-suppression-systems/)
- [Commercial Security](https://www.koorsen.com/products-services/security/commercial-security/)
- [Emergency Notification](https://www.koorsen.com/products-services/communications/emergency-notification/)
- [Communications](https://www.koorsen.com/products-services/communications/)
- [Home Security](https://www.koorsen.com/products-services/security/home-security/)
- [Nurse Call Systems](https://www.koorsen.com/products-services/communications/nurse-call-systems/)

### OTHER COMPANIES

- [KOORSEN ENVIRONMENTAL](https://koorsenes.com/)
- [KOORSEN FACILITIES MANAGEMENT](https://www.koorsenfm.com/)

### CONTACT KOORSEN

[866-311-7753](tel:8663117753)

[info@koorsen.com](mailto:info@koorsen.com)

- [FAQS](https://www.koorsen.com/faq/)
- [KOORSEN CAREERS](https://www.koorsen.com/about-us/careers/)
- [MEDIA RELATIONS](https://www.koorsen.com/media-relations/)
- [TRANSPARENCY IN COVERAGE](https://www.koorsen.com/transparency-in-coverage/)

<https://twitter.com/koorsenfire> <https://www.facebook.com/pages/Koorsen-Fire-Security/173081436052031> <https://www.youtube.com/channel/UCU0ncdcrEYAjDHIcGGgJ3KQ> <http://www.linkedin.com/company/koorsen-fire-and-security>

© 2026 Koorsen Fire & Security | [PRIVACY POLICY](https://www.koorsen.com/privacy-policy/)

```json
{
  "@context" : "https://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Koorsen Fire & Security",
    "url" : "https://blog.koorsen.com/author/koorsen-fire-security"
  },
  "dateModified" : "2022-03-29T17:09:36.462Z",
  "datePublished" : "2022-03-29T17:09:36.000Z",
  "headline" : "How Do Fire Alarm Systems Work?",
  "image" : [ "https://blog.koorsen.com/hubfs/Fire%20Alarm%20Pull%20Station.jpg" ],
  "mainEntityOfPage" : {
    "@id" : "https://blog.koorsen.com/how-do-fire-alarm-systems-work",
    "@type" : "WebPage"
  },
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "url" : "https://blog.koorsen.com/hubfs/KoorsenFireSecurity_April2017/Images/koorsen-logo.png"
    },
    "name" : "Koorsen Fire & Security - - -"
  }
}
```

```json
{
  "@context" : "http://schema.org",
  "@type" : "Organization",
  "address" : {
    "@type" : "PostalAddress",
    "addressCountry" : "",
    "addressLocality" : "Indianapolis",
    "addressRegion" : "IN",
    "postalCode" : "46218",
    "streetAddress" : "2719 N Arlington Ave "
  },
  "alternateName" : "Koorsen",
  "description" : "Since 1946, people have trusted Koorsen to protect and secure their businesses and homes.",
  "email" : "https://www.koorsen.com/",
  "image" : "https://blog.koorsen.com/hs-fs/hubfs/KoorsenFireSecurity_April2017/Images/koorsen-logo.png?width=209&name=koorsen-logo.png",
  "logo" : "https://cdn2.hubspot.net/hubfs/1973249/KoorsenFireSecurity_April2017/Images/koorsen-logo.png",
  "mainEntityOfPage" : {
    "@id" : "https://blog.koorsen.com/how-do-fire-alarm-systems-work",
    "@type" : "WebPage",
    "description" : "Learn all about fire alarm systems and their pros and cons for business owners."
  },
  "naics" : "238220",
  "name" : "Koorsen Fire &amp; Security Headquarters",
  "sameAs" : [ "https://www.facebook.com/pages/Koorsen-Fire-Security/173081436052031", "https://twitter.com/koorsenfire", "http://www.linkedin.com/company/koorsen-fire-and-security", "https://www.youtube.com/channel/UCU0ncdcrEYAjDHIcGGgJ3KQ", "https://www.instagram.com/koorsenfire/?hl=en" ],
  "telephone" : "",
  "url" : "https://www.koorsen.com/"
}
```

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Koorsen Fire & Security"
  },
  "dateModified" : "March 29, 2022, 5:09:36 PM",
  "datePublished" : "2022-03-29 17:09:36",
  "description" : "Learn all about fire alarm systems and their pros and cons for business owners.",
  "headline" : "How Do Fire Alarm Systems Work?",
  "image" : {
    "@type" : "ImageObject",
    "url" : "https://1973249.fs1.hubspotusercontent-na1.net/hubfs/1973249/Fire%20Alarm%20Pull%20Station.jpg"
  },
  "mainEntityOfPage" : {
    "@id" : "https://blog.koorsen.com/how-do-fire-alarm-systems-work",
    "@type" : "WebPage"
  },
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "url" : "https://cdn2.hubspot.net/hubfs/1973249/KoorsenFireSecurity_April2017/Images/koorsen-logo.png"
    },
    "name" : "Koorsen Fire &amp; Security Headquarters"
  }
}
```