Originally Posted by Imacarguytoo
Im wanting to install more shop lights in my garage. I have a main power (switched) wire that goes to a light then to a junction box. I do not want to add more wiring to the junction box. So i was wanting to splice into the switched wire and install an outlet then the wiring to go onto the light thats existing. How do i do it?
Assuming metallic box and conductor enclosures.(A code requirement for garage wiring below 8' in many areas)
Turn the power off. Open the SW box, disconnect the cable, pipe or flexible conduit that travels to the light fixture from the switch and the device that retains it in the box. Using a pull nipple, attach a 4s box to the top of the switch box and a wood block between the stud that the switch box is mounted, to and the next stud, for stability.
Reconnect the disconnected conductors to the top of the new box. Add new #12 conductors from the existing switch, to the new switch box, Add your new conductor runs to the new light fixtures. Twist all the black together, then all the whites and wirenut.