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• Hardwired interconnected Smoke Alarms must be connected to the same electrical subcircuit.
• Do not use any coloured wire for the interconnection cable that could be confused with normal
electrical cables. For example, green/yellow Earth wire.
• Do not connect AC power wires to SW interconnect terminal. These will damage smoke alarms.
• Do not connect the SW interconnect wire to any device, except the SW interconnect terminal of
smoke alarm. Otherwise, the smoke alarm will be damaged.
• Do not connect 9V wire to AC power or SW interconnect terminal. This will damage the smoke
alarms.
• Smoke alarms should be interconnected only within the confines of a single family living unit.
If smoke alarms are interconnected between different units, there may be excessive nuisance
alarms. Residents may not be aware that smoke alarms are being tested or that it is a nuisance
alarm caused by cooking, etc.
• Smoke alarms must be installed in their own electrical subcircuit to avoid false alarms and
nuisance chirping that may be caused by electromagnetic interferences from other electrical
equipment.
• Do not install a smoke alarm in the same subcircuit as electrical equipment likely to produce
electrical noise and interference to the mains supply. Eg. airconditioners, fans, heat lamps, and
lighting dimmers.
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