OK, so I buried the cable to the new building. (Note, this is a steel
frame construction building, this is an important fact later.)
I bought a junction box and was amazed to find that they don't include a
ground bar. Why not?
So my question is this...
I have a 3 conductor (and bare ground) wire run to the new building. This
line is coming off my subpanel in the garage.
So it's a 30amp breaker on 10/3 wire.
In the building, do I run a separate ground spike? Or, since the building
is a steel frame (with 4X4 steel post concreted into the ground,) is the
building already grounded?
I'm only runing one bank of lights, and a few outlets.
If I do put a grounding spike in the ground, should I connect it to the box
AND the building?
I seem to remember something about a grounding loop on subpanels, but I
can't remember exactly what it was.
TIA!
Moose
b Be as beneficent as the sun or the sea, but if your rights as a rational
being are trenched on, die on the first inch of your territory.b Ralph
Waldo Emerson
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