I'm not a licensed electrician, but I have years of experience with code-compliant (permitted and inspected) electrical work for RESIDENTIAL properties that I own. I'm currently preparing to make some electrical modifications in a COMMERCIAL space that I lease, and I'd like to do the work myself.
My project will be limited to extending existing circuits and replacing older wiring, conduit, receptacles, switches, and fixtures. I'm familiar with the basic concept of single-phase residential wiring vs three-phase commercial wiring, but, other than running wire through conduit, do any of the differences come into play downstream from the main panel?
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Same basics apply, but there are going to be differences in wire cladding depending on property usage. Any idea yet what the space will be used for, legally-speaking? Assembly, retail, storage of rabid weasels?