Disengage your light from its wires. Connect the black wire to one of the switch terminals and the black wire going to the light fixture to the other switch terminal.

Smart Light Switch Neutral Wire Do You Need One
How do i wire a light switch. At the switch the black wire is connected to the new switch. To help guide you through wiring a light switch yourself we wanted to highlight a great post from the smartthings community posted by sidjohn1. In this picture you can see the strip gauge on the back of the switch. If you choose to control your overhead lighting with smart switches or dimmers youll either want to hire an electrician to install the switch or wire the light yourself. Basic knowledge of how to wire a light switch black wire this is the hot or load wire white wire this is the neutral wire bare copper green wire this is your ground wire red wire this wire is used for 3 or 4 way switches and will connect the switches together so they can each control. Simply strip the wire to the length specified and push the wire into the hole.
Two wire cable runs from the combo to the light fixture and the switch output is connected to the black wire running to the fixture hot terminal. You should also see a green wire called a ground wire which attaches to a screw on the lower left side of the light switch. There are many ways to control and automate your lights with smartthings. One wire will come from the light the other from the main electrical circuit of your house. You should see plastic caps called wiring caps also called a wire nut with two wires running into each cap. This gauge is when you want to use the quick connect method when wiring a light switch.
Connect the source wire to the bottom terminal of the switch and the other black wire to the top terminal. Back at the source the neutral wire is spliced to the white wire running to the light and to a pigtail connecting back to the receptacle neutral terminal. The source neutral wire is spliced to the neutral on the receptacle half of the combo device and to the white cable wire running to the light. Disengage the wires by twisting the wiring cap until it comes free. Wiring a receptacle to a switch receptacle always on. At the light it connects to the neutral terminal.
At the light fixture box the black wire is spliced with the black wire running to the switch. Step 4 loosen the screws holding the terminal wires in place. Twist the white wires together and cap them and connect the ground wires to the ground terminal.