9 10
Specic Location Requirements
(1) Smoke alarms shall not be located where ambient conditions, including
humidity and temperature, are outside the limits specied in these
instructions.
(2) Smoke alarms shall not be located within unnished attics or garages
or in other spaces where temperatures can fall below 40F or exceed 100F
(3) Where the mounting surface could be considerably warmer or cooler
than the room, such as a poorly insulated ceiling below an unnished
attic or an exterior wall smoke alarms shall be mounted on an inside wall
(4) Smoke alarms shall not be installed between 10 feet and 20 ft along a
horizontal ow path from a stationary or xed cooking appliance unless
the device is listed for resistance to common nuisance sources from
cooking sources
(5) Smoke alarms shall not be installed within an area of exclusion
determined by a 10 ft radial distance along a horizontal ow path from
a stationary or xed cooking appliance. When the 10 ft area of exclusion
would prohibit the placement of a smoke alarm required by this code
(NFPA 72), and when the kitchen or cooking area and adjacent spaces
have no clear interior partitions or headers, smoke alarms shall be
permitted for installation at a radial distance between 6 ft and 10ft from
any stationary or xed cooking appliance unless the device is listed for
resistance to common nuisance sources from cooking.
(6) Smoke alarms shall not be installed within a 36 inch horizontal path
from a door to a bathroom containing a shower or tub unless listed for
installation in close proximity to such locations.
(7) Smoke alarms shall not be installed within a 36 horizontal path from
the supply registers of a forced air heating or cooling system and shall be
installed outside of the direct airow from those registers
(8) Smoke alarms shall not be installed within a 36 inch horizontal path
from the tip a the blade of a ceiling suspended fan unless the room
conguration restricts meeting this requirement
(9) Where stairs lead to other occupiable levels, a Smoke/CO Detector
shall be located so that smoke rising in the stairway cannot be prevented
from reaching the Smoke/CO Detector by an intervening door or
obstruction
(10) For stairways leading up from a basement, Smoke alarms shall be
located on the basement ceiling near the entry to the stairs
(11) For tray shaped ceilings (coffered ceilings), Smoke alarms shall be
installed on the highest portion of the ceiling or on the sloped portion of
the ceiling within 12 inches vertically down from the highest point
(12) Smoke alarms installed in rooms with joists or beams shall comply
with the requirements of NFPA 72 clause 17.7.4.2.4
ii. Per The California State Fire Marshal (California Code of Regulations, Title
19, Section 760)
CAUTION: Early warning re detection is best achieved by the
installation of re detection equipment in all rooms and areas of the
household as follows:
A smoke alarm or detector installed in each separate sleeping room, outside
of each separate sleeping area, in the immediate vicinity of the sleeping
rooms, and on each level of the dwelling unit, including basements and heat
or smoke detectors in living rooms, dining rooms, kitchens, hallways, attics,
furnace rooms, closets, utility and storage rooms, and attached garages.
For information about establishing a household emergency evacuation plan,
please refer to Section 6 of this Owner’s Manual entitled FIRE PREVENTION
AND ESCAPE.
