GE 45613 GE Z-Wave 3-Way Dimmer Kit with Terminals - Manual (Page 12)

SHOCK HAZARD!
Turn OFF the power to the branch circuit at the circuit
breaker in your electrical service panel. Ensure power
is OFF before you install this device. All wiring connections
must be made with the POWER OFF to avoid personal
injury and/or damage to the switch.
WARNING
1. Shut off power to the circuit at fuse box or 15A circuit breaker.
2. Remove wall plate. ! Warning: Verify power is OFF to switch
box before continuing.
3. Remove the switch mounting screws.
4. Carefully remove the switch from the switch box. DO NOT
disconnect the wires.
5. There are four screw terminals on the 45612 switch; these are
marked LINE (Hot), LOAD, GROUND and TRAVELER. The Traveler
terminal is only used for 3-way or 4-way wiring and should
remain insulated if the 45612 is being installed in a 2-way
system (one switch & one load). Match these screw terminals
to the wires connected to the existing switch. (Do Not remove
the tape over the terminal if you are not using the traveler
connection).
6. Disconnect the wires from the existing switch.
7. Connect the green or bare copper ground wire to the
GROUND terminal.