•
Smoke detectors cannot be expected to provide adequate warning of fires caused by arson, children
playing with matches (especially within bedrooms), smoking in bed, violent explosions (caused by
escaping gas, improper storage of flammable materials, etc.).
•
Heat detectors do not sense particles of combustion and are designed to alarm only when heat on their
sensors increase at a predetermined rate or reaches a predetermined level. Heat detectors are designed
to protect property, not life.
•
Warning devices (including horns, sirens, and bells) may not alert people or awaken sleepers who are
located on the other side of closed or partially open doors. A warning device that activates on a different
floor or level of a dwelling or structure is less likely to awaken or alert people. Even persons who are awake
may not notice the warning if the alarm is muffled by noise from a stereo, radio, air conditioner or other
appliance, or by passing traffic. Audible warning devices may not alert the hearing-impaired (strobes or
other devices should be provided to warn these people). Any warning device may fail to alert people with
a disability, deep sleepers, people who have recently used alcohol or drugs, or people on medication
or sleeping pills.
Please note that:
I) Strobes can, under certain circumstances, cause seizures in people with conditions such as
epilepsy.
II) Studies have shown that certain people, even when they hear a fire alarm signal, do not respond
or comprehend the meaning of the signal. It is the property owner’s responsibility to conduct fire drills
and other training exercises to make people aware of fire alarm signals and instruct on the proper
reaction to alarm signals.
III) In rare instances, the sounding of a warning device can cause temporary or permanent hearing
loss.
•
Telephone lines needed to transmit alarm signals from a premises to a central station may be out of
service or temporarily out of service. For added protection against telephone line failure, backup radio
transmission systems are recommended.
•
System components, though designed to last many years, can fail at any time. As a precautionary meas-
ure, it is recommended that smoke detectors be checked, maintained, and replaced per manufacturer’s
recommendations.
•
System components will not work without electrical power. If system batteries are not serviced or replaced
regularly, they may not provide battery backup when AC power fails.
•
Environments with high air velocity or that are dusty or dirty require more frequent maintenance.
In general, fire alarm systems and devices will not work without power and will not function properly unless
they are maintained and tested regularly.
While installing a fire alarm system may make the owner eligible for a lower insurance rate, an alarm system
is not a substitute for insurance. Property owners should continue to act prudently in protecting the premises
and the people in the premises and should properly insure life and property and buy sufficient amounts of
liability insurance to meet their needs.
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