Use the labeled notches on a wire stripper to check the gauge of the existing wire 14 gauge is most common but you may have 12 gauge wire.
How to run light wire on wall.
Then pull the cable through the wall plate and out the next wall box opening.
From the service panel heavy gauge copper grounding wire should run to one or a combination of the following.
Strip the end of the sheathing attach the wires to the fish tape and tape them in place.
At the light it connects to the neutral terminal.
Instead of making a pigtail with the line wire you make it with the load wire.
Station a helper by the hole to catch the wire and pull the end out about 12 inches.
Cold water pipe grounding rods driven at least 10 feet in the ground or a metal plate sink in a footing.
The biggest pet peeve in car audio power wire in the door jamb.
Make sure to use approved attachment methods drilling holes through joists or stapling the cable where required.
Run the free end of the cable to the next stud cavity location.
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.
Connect black white and copper ground wire to the new switch.
The size of the wire you add must match the size of the existing wire.
This grounding wire should lead to a neutral bar in the service panel.
Here are the step by step instructions on what s involved.
Here i show the use of a grommet tool and lead wire to pull power wire through the firewall.
Next run wire from the existing junction box to each box base.
Feed the wire down into the wall.
How to run electrical wire for an outlet or light switch running electrical wire behind a wall is a great way to add an additional outlet or light switch in your home.