Installation Guide

BOGYWAAC
NOT
USED
3. Take a picture of the wires
Take a picture of your thermostat’s wires and
save it for reference. Make sure you can read
the wire terminal labels.
Incompatible wiring and voltage
Stranded wires
Stranded wires aren’t compatible with the
Nest Thermostat.
High-voltage wires
If your thermostat is labeled 120V or 240V,
or has thick wires with wire nuts, or has
L1 and L2 terminal blocks, your system
is high voltage and isn’t compatible with
the Nest Thermostat.
IMPORTANT: If there are two labels on
your thermostat’s wire connectors, go
to nest.com/labels for detailed help
and instructions.