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Type: Posts; User: electrofelon

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  1. The last one I did, the POCO did not lock it. ...

    The last one I did, the POCO did not lock it. Even if they did, Ill bet you 10 bucks if a termination fails in there, or some other part of it has an issue, they will not fix it. IMO that is not...
  2. Yes but I was referring to the language in...

    Yes but I was referring to the language in 90.2(B)(5)(b) where it says "property" OP was claiming that property could be equipment.

    Around here one of the POCO's provides the CT cabinet. That...
  3. here is the section: Take out 5(a) and...

    here is the section:



    Take out 5(a) and read right through 5 to 5(B). Seems pretty clear to me they are NOT referring to, say, a cabinet that is owned by the utility. Even if they were, did...
  4. [QUOTE=hhsting;2009428]His second arguement I...

    You are not reading that section carefully. (B)(5)(b) is talking about real estate type property. I guarantee the POCO doesn't own the property where that meter disconnect is.
  5. See article 100 definition of service point, and...

    See article 100 definition of service point, and also see 90.2(A)(1) and (B)(5)
  6. NF disconnects are only rated 10k. IF you have...

    NF disconnects are only rated 10k. IF you have more than 10k, you need to used a fused disco. Nothing says the "meter disconnect" cant be fused.
  7. Right. I am not saying this is a common problem,...

    Right. I am not saying this is a common problem, and there are lots of variables: DC/AC ratio, orientation, array characteristics and how they lie in the inverter's window, design of the inverter,...
  8. just to be clear, who is calling it a utility...

    just to be clear, who is calling it a utility disconnect switch? Does the utility require one in their construction specifications? In my experience, kinda odd to have one for a CT service.


    ...
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    Thanks. Note this is a single section 1000A...

    Thanks. Note this is a single section 1000A switchboard, not a panelboard, although I dont immediately see that that makes any difference.
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    Removing Main Breaker from switchboard

    Are there any issues with removing a main breaker from a switchboard, and instead using it as a MLO? Assume of course 6 or less distribution breakers, and the AIC is sufficient. First thing that...
  11. I believe I am correct on this one. See this...

    I believe I am correct on this one. See this article https://www.solarpowerworldonline.com/2018/06/too-much-of-a-good-thing-inverter-hyper-clipping/
  12. Their transformer sizing doesn't make any sense....

    Their transformer sizing doesn't make any sense. I wonder if this is one of those "solar unfriendly" POCO's?

    Edit: perhaps you could ask them why they want such a large transformer?
  13. Somewhat along the same lines, maybe you heard...

    Somewhat along the same lines, maybe you heard this and aren't quite remembering it right:. 100% rated breakers require 90 degree rated conductors used at the 75 degree ampacity. Actually pretty...
  14. It sounds like a meter disconnect to me. It is...

    It sounds like a meter disconnect to me. It is permitted on the line side of the service disconnect. Note it doesn't have to be on the utility side of the service point, NEC still allows it to be a...
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    Make sure it's raintight.

    Make sure it's raintight.
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    Yup. In this case I just ordered the MDP with 2...

    Yup. In this case I just ordered the MDP with 2 breakers and 4 "prepared spaces" for the ones I took out, so it came with all the correct bussing and fingers. I got hit a few hundred for the main...
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    Yes it is. No neutral?

    Yes it is. No neutral?
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    Once I finished a job that someone else started. ...

    Once I finished a job that someone else started. They had ordered the 4 250 amp panelboards with main breakers. They were subs and not fed by taps or tranny's so there was no need for the mains. I...
  19. Thread: 240.21c

    by electrofelon
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    Because for certain types of faults in or after...

    Because for certain types of faults in or after other than Delta delta transformers, the primary ocpd will not protect the secondary conductors.
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    Because you DON'T have to group all service...

    Because you DON'T have to group all service disconnects. You just have to group all of the disconnects that are served by a set of service entrance conductors (except exception #2 which is left out...
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    The hole in the cover or dead front where the...

    The hole in the cover or dead front where the main breaker was.
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    It mentions 230.71. Read that. Note it doesn't...

    It mentions 230.71. Read that. Note it doesn't say "all service disconnecting means", it says "for each set of service entrance conductors....."
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    Your #1 would be compliant per exception #2. ...

    Your #1 would be compliant per exception #2.

    Your #2 would also be compliant per exception#2 (unless the service point and equipment was arranged such that there are no service entrance conductors...
  24. Yeah I'll check into it. It would be nice to...

    Yeah I'll check into it. It would be nice to have dedicated internet and not have to turn my phone's hot spot on and off all the time
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    What actually happened? I am skeptical that a...

    What actually happened? I am skeptical that a transformer just "goes up in smoke". Seems like an ocpd would have tripped.
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