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Fire and Smoke Alarms

Fire, smoke and carbon monoxide alarms have become critical for personal safety and property protection at home, at work, while out to a show or any other indoor event. How do they work, which ones do you need, where should they be installed, what are the different components, technical details and standards are found here.

872 Questions

Does a smoke alarm make a noise like a phone?

they can do it depends what phone you've got, it's a matter of opinion but i think that they can.

What does a fire alarm technician do?

The fire alarm technician is in charge of the installation of fire alarm systems. Fire alarm systems include addressable or conventional alarm control panels, smoke detectors, heat detectors, manual button alarms, sirens and strobes, signs, etc.

A professional fire alarm system is large with professional addressable bus lines alarm systems, addressable detectors for building fire security, or other special field fire security.

So, the fire alarm technician should be knowledgeable in alarm systems working principles and installation.

What is a smoke alarm made out of?

Most smoke detectors work either by optical detection (photoelectric) or by physical process (ionization), while others use both detection methods to increase sensitivity to smoke. For the alarm part, in many single family detached and smaller multiple family housings, a smoke alarm is often powered only by a single disposable battery. An optical detector is a light sensor. When used as a smoke detector, it includes a light source (incandescent bulb or infrared LED), a lens to collimate the light into a beam, and a photodiode or other photoelectric sensor at an angle to the beam as a light detector. In the absence of smoke, the light passes in front of the detector in a straight line. When smoke enters the optical chamber across the path of the light beam, some light is scattered by the smoke particles, directing it at the sensor and thus triggering the alarm. An ionizing detector type of detector is cheaper than the optical detector; however, it is sometimes rejected because it is more prone to false alarms than photoelectric smoke detectors. It can detect particles of smoke that are too small to be visible. It includes about 37 kBq or 1 µCi of radioactive americium 241, corresponding to about 0.3 µg of the isotope. The radiation passes through an ionization chamber, an air-filled space between two electrodes, and permits a small, constant current between the electrodes. Any smoke that enters the chamber absorbs the alpha particles, which reduces the ionization and interrupts this current, setting off the alarm. From Wikipedia.

What is it called when you exit the building after a fire alarm?

The term "evacuation" is often used to refer to the process of moving occupants from a building or other dangerous or isolated location.

Where could ADT home alarms be purchased from?

You can purchase ADT home alarms from their website. If you fill out a short form an ADT agent will call you back almost immediately or you can call 866-487-6609 and speak directly to an agent who will direct you in your search for ADT home alarms.

What are the best home alarms to buy for easy entry?

The GE 51107 Smart Home Wireless Alarm System is a great option for your home security. It is very economically priced and provides easy entry with a personalized keypad code.

Why is your smoke alarm light solid red not flashing not beeping?

if you take the smoke detector down there should be a list of of light and sound sequences refer to that.

How to Use an Optex Driveway Alarm?

Optex driveway alarms are a great idea when designing your driveway. They enable you to be alerted of people or cars entering or exiting your driveway. This makes a great safety feature as well as just being an every day alert for company. The transmitters mount easily wherever you need and is made to withstand any weather . The built in infrared sensor detects moving objects that put off heat which cross in front of it. The transmitter then sends a signal to the receiver which will chime. Get the Optex Driveway Alarm for your home today!

Are fire alarms dangerous to fetus?

I don't know who (or shall I say what) you did it with, but I'd go see a doctor sooner than later.

Where can you find response alarms?

There are many websites that sell response alarms. If you do not have access to the internet you could head to your nearest hardware store or a store that sell security items.

Are there installation charges for adt alarms?

Most times there is a fee for installation. However, ADT sometimes gives special offers for free installation.

Does ADT Fire Protection offer smoke detectors for your home?

Yes, ADT Fire Protection offers smoke detectors for your home for $49 a month which includes installation. This price is in Canadian funds and not including applicable taxes.

Can a smoke detector go off because of humidity?

Yes, a smoke detector can go off due to high humidity levels, particularly if the humidity causes condensation inside the unit. Moisture can interfere with the detector's sensing elements or cause false alarms. However, this is more common in older or poorly maintained detectors, as newer models are designed to be more resistant to environmental factors like humidity. Regular maintenance and proper placement can help minimize such occurrences.

How long would it take for 100 people to evacuate a small room when the fire alarm rings?

That would depend on the number of exits, the width of each exit, how clear the path is to the exit, and the people involved. I'm sure OSHA has guideline figures on such things.

How safe are propane generators with regard to fire and fumes?

If you don't want a fire in your house I would not recommend using it much. You might use it for twice a week and it might be safe and you can get a fire alarm system if you don't have one in case of a fire

Fire alarm control panel battery back up?

Fire alarm control panels are powered by the mains power. Commonly, the fire alarm will have a battery back up power in place so that the system still remains functional and powered up when the mains fails. When the mains is powering the panel, the batteries are charged fully so that when a power cut occurs, they have enough power to operate the system for a certain amount of time. Generally, in the UK, a panel is powered by 240 Volts and is stepped down by a transformer to 24 Volts. The panel will usually have two, 12 Volt batteries installed in the panel- they are reffered to as SLA's. (Sealed Lead Acid). These batteries though will only last for about a day or two.

Some systems are larger and have more power drain, so they may be required to have additional backup batteries connected and perhaps spares available on site. If the fire alarm system is non-operational, the local fire authorities may require a company to post a 24-hour "fire warden", in case of fire, with adequate training and equipment, or otherwise shutter the business until the alarm is working.

Should you call the super or the fire department when the fire alarm goes off and the hallway is full of smoke?

Fire dept. first.

Super only after you are out and in a safe location.

Fire dept. first.

Super only after you are out and in a safe location.

When can the fire alarm be silenced?

It can be silenced by pressing the "silence" button on the control panel. However, you should always wait for the fire department to arrive and give an all-clear before silencing the system.