Nest Protect Wired User's Guide
5.3 in
(13.5 cm)
1.5 in
(3.9 cm)
76
The horn enables  
Nest Protect to alert  
you with a loud 
emergency sound.
The speaker allows  
Nest Protect to speak 
with a human voice.
The light ring changes 
color to alert you.
Push the Nest button to 
hush alarms or run a test.
Micro-USB connector 
(not for normal use).
AC connector pins for  
the 120V connector.
Backup battery 
compartment: Three 
AA Energizer® Ultimate 
Lithium batteries (L91).
1. Get the Nest app
Before you install your Nest Protect on the 
ceiling or wall, you’ll need to set it up with 
the Nest app. Download the app from the 
Apple App Store
™
 or Google Play
™
 and create 
a free Nest Account. You can use a phone or 
tablet for setup. 
SETUP AND INSTALLATION
(Professional installation recommended)
The installation of a smoke and CO alarm 
should be made by a qualified technician, 
and all wiring used to install this alarm 
should be made in accordance with articles 
210, and 300.3B of the National Electrical 
Code ANSI/ NFPA 70, NFPA 72, and/or 
applicable codes in your local jurisdiction.
For additional installation instructions and 
safety warnings, refer to page 24.
MEET YOUR NEST PROTECT










