Wall Light Switch No White Wire

The two white wires get attached together with a wire nut.

Wall light switch no white wire.

Put a wrap of black tape around the white conductor to label it as a hot wire. Assuming it is a steel box. The hot wire in a 120 volt residential ac circuit usually is coated with black insulation while the return or neutral wire is white. Because the electrical code as of the 2011 nec update requires a neutral wire in most new switch boxes a 3 wire cable runs between the light and switch.

In most cases the two switch wires will be some color other than green or white usually black. Inside the light switch junction box the two black hot wires get attached to the screws on the light switch. But one of the wires may be white if your house is wired with plastic sheathed cable. With the power coming to the switch and then going to the lights you will notice that there are two black wires two white wires and two ground wires bare wires.

The standard way to power a split tab outlet is to run a three conductor cable to a wall switch. The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer remote control or other programmable switch. This is an updated version of the first arrangement. They will usually be colored one black and one white potentially with black stripe.

A single pole single throw switch such as a light. A smart switch can simply tie into the white neutral wires to complete the circuit and get a source of power to keep the radios in the switch working at all times. The ground wire also connects to the switch but the white wire gets spliced to the circuit neutral wire and bypasses the switch. Two of the wires will be the current carrying wires that power the light.

Option 1 run a neutral wire if you want to use smart switches and don t have a neutral wire in your switch box you can hire an electrician to run a neutral wire between the light. A switch box with no neutral loop will usually only have three wires see image below. Kasa smart light switch by tp link single pole needs neutral wire 2 4ghz wifi light switch works with alexa and google assistant ul certified 1 pack hs200 white 4 6 out of 5 stars 10 637 limited time deal. The cable has a black wire which connects directly to the circuit and a red wire which connects to the switch.

First of all we should connect the ground wires to the box.