[SML] wire colors

[Lou Poppler]

On 6/29/15, Alex Donkle via Stagecraft <stagecraft at theatrical.net> wrote:
> Code still allows steel conduit to be used as a ground, however if it
> was power inside of floor boxes then they likely used PVC conduit
> routed underground.

IIRC, there is a parking area underneath this floor, which might imply
some kind of metal conduit.  I do remember using green wires with
crimp-on ring connectors, inserted under the cover screws, and getting
better results than using the neutral as a grounding conductor.