Dont change anything on the neutrals whites and all the grounds should all go together. The other way to wire multiple lights to one switch is to connect all of them directly to the switch in a home run configuration.
How To Wire Switches
Combine two lights to one switch. With some basic tools you can easily do the wiring yourself whether you are adding a light to an existing light circuit or adding a completely new circuit. The most common is to daisy chain the light fixtures by connecting them to each other and hooking the first one up to the switch. Leviton as well as many other companies make a switch that has two single pole switches built into one switch. There is no problem ganging both lighting fixtures on the same switch so long as the switch is rated for the power the fixtures draw. However if you do not wish to splice the two wires together there is an alternative. When you remove the tab on the line side of this switch it will now handle two completely separate and isolated switching functions.
You can do this light switch wiring in one of two ways. Obviously without any sort of specific specifcations i cannot give you a part number that will help you out. Adding an extra cable to the existing ceiling rose to add a second light which is switched with the first one the switched line neutral and earth need to be extended to the second light. Lighting circuits multiple lights from one switch how to add one or more additional lights so that all are operated from the same switch. Wire two lights on one switch you may want to control two lights with one switch in certain locations around your home such as the front entrance or a double bay garage. If not your gonna need a bigger switch.
Now just pass the two switch legs through this switch. Basically the simplest way to have multiple lights on one switch is to run a power supply wire to the switch first. This would be a two wire cable black white ground take the black wire and connect it to one screw on the switch and connect the ground wire to a screw inside the electrical switch box mounted to the wall. 3 way switch wiring diagram. Most modern dimmers are rated 150 300 600 or 1000 watts. Now with one single device you can switch two items.
You need to make sure that the two fixtures added together are somewhat lower than the switch rating. To wire this circuit in this manner you will need to run a 143 between the two light boxes. This will allow you to connect the first light as you described above and to run this additional light from the same switch by utilizing the red conductor in the 3 wire as the switched conductor and the black wire as the continuous hot wire. More than one light this entry was posted in indoor wiring diagrams and tagged diagram do it yourself handyman handywoman home improvement home renovations home wiring house wiring light light switch power switch wiring wiring diagram.