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7. Recommended Locations For Smoke And Carbon Monoxide Alarms
• Locate smoke alarms in all sleeping areas. Try to monitor the exit path as the bedrooms are usually
farthest from the exit. If more than one sleeping area exists, locate additional alarms in each
sleeping area.
• Locate additional alarms in stairways, because stairways act like chimneys for smoke and heat.
• Locate at least one alarm on every floor level.
• Locate an alarm in every bedroom.
• Locate an alarm in every room where electrical appliances are operated (i.e. portable heaters or
humidifiers).
• Locate an alarm in every room where someone sleeps with the door closed. The closed door may
prevent an alarm not located in that room from waking the sleeper.
• Smoke, heat, and combustion products rise to the ceiling and spread horizontally. Mounting the
smoke alarm on the ceiling in the center of the room places it closest to all points in the room.
Ceiling mounting is preferred in ordinary residential construction.
CEILING
CEILING
ACCEPTABLE
ACCEPTABLE
TOP OF ALARM
TOP OF ALARM
ACCEPTABLE HERE
ACCEPTABLE HERE
Note: measurements shown
Note: measurements shown
are to the closest edge
are to the closest edge
of the alarm.
of the alarm.
SINGLE FLOOR PLAN
SINGLE FLOOR PLAN
ANYWHERE ALONG
THIS BOLD SURFACE
12"
(30.5 cm)
12"
(30.5 cm)
12''
(30.5 cm)
12''
MAXIMUM
(30.5 cm)
MAXIMUM
SIDE
WALL
SIDE
WALL
Figure 7-A
MULTIPLE
MULTIPLE
FLOOR PLAN
FLOOR PLAN
ANYWHERE ALONG
THIS BOLD SURFACE
Locations permitted for smoke
Locations permitted for smoke
alarms and smoke detectors
alarms and smoke detectors
on tray-shaped ceilings.
on tray-shaped ceilings.
11
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