I wouldn't count on it. A real ground has a long copper rod driven in to
provide a low-resistance attachment to the earth. The concrete is a good
insulator, and unless the pole extends a considerable distance below the
concrete and is not corroded, the fixture is not grounded. At least not enough
to be considered a safety ground.
Donald.
JAMES STONE wrote:
> I replaced a porch light today and discovered that it was only wired with 14-2
> wire without a ground. Since the light pole is set in concrete and buried in
> the ground, is it grounded? Just curious.
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