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Kidde 120V AC Wire-In Smoke Alarm

Model number
i4718

The Kidde i4718 is a 120V AC hardwired ionization smoke alarm with 9V battery backup and hardwired interconnect capability. When connected with up to 24 compatible Kidde alarms, all units sound when one detects smoke. A front battery pull tab allows battery activation without removing the alarm from its mounting bracket. The pre-stripped wiring harness simplifies installation. This model is listed on the /smoke-alarm-with-led page of the Kidde website.

identifiers stable · addressable
Model no.
i4718
Brand
Kidde
Category
Smoke Alarm Hardwired
Canonical URL
/kidde/smoke-alarm-hardwired/i4718-kidde-hardwired-smoke-alarm-led/
Official page kidde.com →
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§ Specifications

#specifications
Product Type
Smoke Alarm
Alarm Type
smoke
Sensor Smoke
ionization
Power Source
hardwired-ac
Voltage
120
Battery Backup
Yes
Battery Type
9V
Battery Replaceable
Yes
Voice Alerts
No
Smart Wifi
No
App Connected
No
Ring Ecosystem
No
Interconnect
Yes
Interconnect Type
hardwired
Wire Free Rf
No
Max Interconnect Devices
24
Max Initiating Devices
18
Self Testing
No
Hush Feature
No
Smart Hush
No
Strobe
No
Egress Light
No
Alarm Db
85
Ul Smoke
UL 217
Warranty Years
10

§ What's Included

01 alarm unit
02 pre-stripped wiring harness with tinned leads
03 9V battery
04 mounting hardware
05 quick install guide

§ FAQ

How many alarms can the i4718 interconnect with?

The i4718 supports hardwired interconnect with up to 24 compatible Kidde devices, of which 18 can be initiating devices (smoke, CO, and heat alarms). When any one alarm detects a hazard, all interconnected alarms sound.

What happens to the i4718 during a power outage?

The i4718 has a 9V battery backup that maintains alarm function during power outages. The front battery pull tab allows easy battery installation without removing the alarm from its mounting bracket.

Does the i4718 need to be wired by an electrician?

Hardwired smoke alarms connect to your home 120V AC wiring. In most jurisdictions, installation or replacement of a hardwired alarm is permitted as a homeowner task, but always check local codes. The included pre-stripped wiring harness simplifies the connection.

What is the interconnect wiring standard for the i4718?

The i4718 uses the standard three-wire interconnect protocol compatible with most Kidde hardwired alarms. Up to 24 devices can be connected on the same interconnect circuit (18 initiating devices).

Is there a newer version of the i4718?

The i4718 has been updated by newer Kidde hardwired models in the DETECT line such as the 20SAR. These newer models feature improved photoelectric sensing and AA battery backup.