• The maximum wire run distance between the first and last unit in an intercon-
nected system is 1000 feet.
• Figure 4 illustrates interconnection wiring. Improper connection will result in
damage to the alarm, failure to operate, or a shock hazard.
• Make certain alarms are wired to a continuous (non-switched) power line.
NOTE: Use standard UL listed household wire (as required by local codes) avail-
able at all electrical supply stores and most hardware stores.
FIGURE 4 INTERCONNECT WIRING DIAGRAM
WIRES ON ALARM HARNESS
CONNECTED TO
Black
Hot Side of A.C. Line
White
Neutral Side of A.C. Line
Red
Interconnect Lines (Red Wires) of Other
Units in the Multiple Station Set up
Kidde alarms and accessories
CAN ONLY BE
interconnected with other Kidde
alarms and accessories as well as specified brands and models of interconnect
compatible alarms. Connection of Kidde products to a non-specified manufac-
turer’s interconnect system, or connection with non-specified equipment from
another manufacturer into an existing Kidde system could result in nuisance
alarming, failure to alarm, or damage to one or all of the devices in the inter-
connect system. Refer to the User’s Guide supplied with each Kidde product for
interconnect compatible models, brands, and devices.
The following is a list of Kidde interconnect compatible alarms and products:
• Smoke Alarms: 1235, 1275, 1276, 1285, 1296, i12020, i12040, i12060,
i12080, PE120, PI2000, KN-COSM-I, KN-COSM-IB, RF-SM-ACDC
• Heat Alarm: HD135F
FUSE OR CIRCUIT BREAKER
RED
BLACK
WHITE
CONNECTOR
RED
BLACK
WHITE
CONNECTOR
First
Alarm
Additional
Alarm
Optional
Accessory
Additional
Alarm
Kidde
Relay Module
SM120X
