I'm not sure I'm seeing where the wires are
running, but it looks like it could be a ground fault detection arrangement.
At 04:39 PM 7/10/2014, you wrote:
Wrenches,
One of our customers has a utility meter CT
cabinet ahead of his main disconnect - please see attached image.
I have never seen this arrangement and would be
interested if anyone can explain why the
conductors are run in this fashion: I assume the
insulated taps are for voltage reference
purposes or to power the meter? I also assume
the large donut is the CT? Are the conductors
run criss-crossed due to they're being 180 out of phase?
We are more particularly interested in the
correct location to make a supply side
interconnection in order to ensure that all PV
energy is properly metered (our utility installs
net meters in place of the customer's original
meter). Assuming that our AHJ approves of an
interconnection inside the CT cabinet, where
would we splice into the service conductors: load side of the CT?
--
Corey Shalanski
Joule Energy
New Orleans, LA
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