Not all municipalities will allow unlicensed electricians to do electrical work but many will. Even if not allowed in your jurisdiction, however, understanding what all trade partners are doing is essential for guiding the job and ensuring a timely completion and successful inspection.
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First, go through a structure and mark the locations of all devices and fixtures on the framing members. Then install all
electrical boxes so their faces are flush with the finish surface of the
wall or ceiling.
Most houses are wired in type NM cable (Romex). All wiring should be neat and align with vertical and horizontal building lines (Figure A and Figure B). One exception is in inaccessible attics where diagonal wiring paths may be acceptable (Figure C).
Figure A: Running Cable through Stud and Joist Bays
Figure B: Running Cable in Basements
Figure C: Running Cable Through Inaccessible Attics