There are a few different techniques for measuring pvc.
Detached metal garage wiring.
The garage a grounding electrode is required at the garage.
The key to safe code compliant exposed wiring is to use the framing members to protect and support the wires.
I have a remodel on a detached garage with living area above the underground conduit is 3 4 in.
If there is no existing grounding electrode metal underground water pipe a ground rod is required and is connected to the equipment grounds in the garage see detached garage supplied by a four wire feeder.
In a house or a finished garage electrical cable is protected from damage by permanent wallcoverings like drywall plaster or even wood but that s not the case in an unfinished garage.
It has a run of 53 with 4 inch radius bend 90 deg at both ends.
Rent a gas powered trenching machine and dig a trench at least 12 inches deep from the house to the garage.
You can measure between boxes and subtract for the fittings photo 5.
If this non current carrying metal path exists then refer to the section explaining how to wire a detached structure with 3 or more branch circuits that is 60 100 or 200 amp rated and with an equipment grounding conductor ran with the feeders between buildings if you have a metal water pipe ran underground but that metal water pipe does.
Electrician and detached garage project cable size for a garage sub panel question from ko.
Combining metal boxes and pvc conduit is fine but unlike an all metal system pvc requires you to run a separate ground wire and bond it to each metal box or light fixture with either a screw or a special grounding clip.
Electrician and detached garage project.