Wrencher's,
I am having a good debate with a fellow solar installer regarding an NEC
requirement to isolate a meter between two disconnecting means adjacent to the
meter when grid connecting via a tap. My thought is that if we have a load
center with breakers to combine multiple inverters on
I guess someone could argue that 690.15 would require a disconnect on
both sides of that meter, but for this install, the line-side disconnect
would immediately trip the inverters offline, so you can't really say
that the meter is energized from more than one source like a DC
disconnect would
Here in Xcel territory in Colorado, we are required to cold-sequence the
solar production meter. These disconnects have to be utility accessible
and adjacent to the production meter itself. I believe this is only a
utility requirement, not a code requirement. This seems to be unneeded
In Texas, for the Oncor Energy TDSP (transmission distribution service
provider) interconnection agreement, an outside disconnect* is required.
If a PV installation is submitted to Oncor for a rebate, they also
require the inclusion of PV REC (renewable energy credit) meter, but do
not
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