Hiring a qualified electrician will ensure that the installation is performed correctly where the existing circuit wires will be identified and new circuit wiring will be extended to the new light switch. Hey doing it yourself is great but if you are unsure of the advice given or the methods in which to job is done dont do it.

Two Way Lighting Switch Wiring Lighting Style
Wall light switch wiring diagram. The source is at sw1 and 2 wire cable runs from there to the fixtures. This project focuses on wall lights but the same circuitry and wiring can be used to add new ceiling lights to your lighting circuit in any room or hallway in the house. Pick a single pole light switch for most applications. The task of installing additional wiring for a light switch and new light fixture will depend on available access to the proposed location. A how to tutorial on adding a wall light and light switch to an existing circuits. This light switch wiring diagram page will help you to master one of the most basic do it yourself projects around your house.
Wiring an outlet to a switch loop. This wiring diagram illustrates adding wiring for a light switch to control an existing wall outlet. This diagram illustrates wiring for one switch to control 2 or more lights. Wiring a single pole light switch. This site is merely. Common applications include ceiling or hallway light switches a cellar or attic light a ceiling fan or chandelier or an outdoor patio light.
Multiple light wiring diagram. The hot source wire is removed from the receptacle and spliced to the red wire running to the switch. A single pole wall switch usually has a lever or toggle that completes the circuit when it is flipped up to turn a light device or appliance on. The source is at the outlet and a switch loop is added to a new switch. The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light.