Feed the 2 wire Romex through the handy box. Using the included wire nuts, tie the black wires
Carefully reinstall the handy box cover.
4-2 Two Speed Wiring (for ES-2250, ES-3100, ES-4700, ES-5400, ES-6000, ES-7000)
With a piece of bare copper wire, attach it to the green ground screw on the switch.
Using a wire nut, tie all bare copper wires together with the green ground wire on the timer.
Tie All Ground & Bare Copper Wires Together
All White Common Wires Together
Tie All Ground & Bare Copper Wires Together