Here i show the use of a grommet tool and lead wire to pull power wire through the firewall.
How to run light wire on wall.
Instead of making a pigtail with the line wire you make it with the load wire.
At the light it connects to the neutral terminal.
The size of the wire you add must match the size of the existing wire.
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.
Station a helper by the hole to catch the wire and pull the end out about 12 inches.
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.
This grounding wire should lead to a neutral bar in the service panel.
Here are the step by step instructions on what s involved.
Run an electrical cable from the fixture that the switch controls to the hole.
From the service panel heavy gauge copper grounding wire should run to one or a combination of the following.
Connect black white and copper ground wire to the new switch.
Next run wire from the existing junction box to each box base.
After identifying the line and load terminals on the switch remove the wire going to the light fixture twist it together with the wire going to the outlet add a jumper wire cap them and attach the jumper wire back to the switch s load terminal.
Then pull the cable through the wall plate and out the next wall box opening.
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.
Strip the end of the sheathing attach the wires to the fish tape and tape them in place.
Two wire cable runs from the combo to the light fixture and the switch output is connected to the black wire running to the fixture hot terminal.