Use 1 1 4 inch pvc conduit for a 100 amp sub panel or 1 inch pvc conduit if the sub panel is 50 amps or less.
Running electrical wire underground to garage.
Secure the cable to the overhead joists with cable staples.
Dig an 18 inch deep trench for the outdoor electrical wire which you will run from the main panel box to the garage sub panel.
We show the easiest way using rigid conduit.
Not having electricity in your garage can be a major inconvenience as it requires that you run an extension cord inside the house or use a generator.
How to run a circuit underground to a garage.
At the garage repeat steps 3 through 7 to install the plastic conduit and cable.
Extending electrical service to a detached garage or other outbuilding isn t much different than adding a circuit inside the house with one important exception running underground cable.
I would like to have 2 15 amp circuits and 2 20 amp circuits in the garage.
Dragging extension cords across the yard to power the weed whip fumbling around in a dark shed most of us take these hassles for.
Go outside and lay the cable into the trench running it all the way to the garage.
My plan is to create a run from my main panel in my basement to the detached garage.
Use pvc cement for joining the parts.
Use duct seal putty to seal the wall penetration hole to keep moisture out of the box.
I am in need of some help choosing the correct wire for my detached garage.
The total length of the run is about 80 feet.
From inside the basement pull the cable all the way to the main electrical panel.
Run the conduit from the garage to the main panel box.
Schedule 80 pvc 1 2 in conduit elbows and couplings for containing the wires and connecting the exterior boxes.
Underground wire for a residential circuit usually is installed with underground feeder uf cable which is rated for outdoor use and direct burial such an installation is typical when running a circuit to an outdoor location such as a garage shed or other outbuilding or to a yard light or water feature.
At the garage repeat steps 3 through 7 to install the plastic conduit and cable.
Secure the cable to the overhead joists with cable staples.
The individual wires from the conduit are joined to the same gauge non metallic sheathed cable because it s easier to run inside the shed to the new sub panel.
If you are sufficiently confident of your wiring skills that you would feel comfortable adding an electrical circuit indoors then running a circuit to a.
A cable clamp for running cable through the back of the box from the garage outlet.
Go outside and lay the cable into the trench running it all the way to the garage.
Run electrical wires underground to reach sheds lights patios and other locations following safe wiring practices.