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Type: Posts; User: jaggedben

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  1. The code does not require that breakers be listed...

    The code does not require that breakers be listed or identified, only that they be 'suitable'.

    The 2011 code has an informational note to the effect that breakers not marked 'line' and 'load' are...
  2. Thread: Bare Copper

    by jaggedben
    Replies
    1$$
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    Any of those are allowed under the 2014 code. ...

    Any of those are allowed under the 2014 code. Under previous codes any conductor in a raceway could not be solid if #8 or larger.

    Pulling a solid wire larger than about #8 or #10 through a...
  3. Thread: Back feed

    by jaggedben
    Replies
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    Still unclear what 'one system' means.

    Still unclear what 'one system' means.
  4. The part highlighted in red is key to...

    The part highlighted in red is key to understanding why things do not 'go bang'. Any combination of the phase conductors and neutral touched to each other without passing through an electrical load...
  5. I've never dealt with such a situation, so I...

    I've never dealt with such a situation, so I defer to you. My comment was based on other comments made on this forum (e.g here), so let me ask you...

    Have you never had an AHJ question if a main...
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    Since the purpose of trickle charger is typically...

    Since the purpose of trickle charger is typically to leave a setup alone and avoid the need for an outside power hookup, I'm not sure why you have both hooked up. Also, it's generally not a great...
  7. 705.32 prohibits ground fault protection between...

    705.32 prohibits ground fault protection between the inverter and the utility, although it has an Exception. Is the reason you're being required to have GFP because there is GFP on the main service...
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    I addition to everything else that has been...

    I addition to everything else that has been mentioned... You should never use an anchor as support for something else, or vice versa. For example, two people should never be working hooked into the...
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    For the lay-person homeowner, 'disconnects' and...

    For the lay-person homeowner, 'disconnects' and 'connects' would probably be the best terminology.
  10. Thread: Back feed

    by jaggedben
    Replies
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    No, that has never happened to me. But then I...

    No, that has never happened to me. But then I don't think I've ever done more than two in this type of situation.

    Also, with two quad breakers on each side of the panel you could have up to 4...
  11. Thread: Back feed

    by jaggedben
    Replies
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    If he has 3 AC circuits then those are three...

    If he has 3 AC circuits then those are three separate sources as far as I'm concerned. It obviously makes no sense to read that section as requiring that different inverters all be landed on the...
  12. Thread: Back feed

    by jaggedben
    Replies
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    No, you're wrong, unless the AC disconnect is a...

    No, you're wrong, unless the AC disconnect is a utility requirement or a local requirement. It is not a National or California Electric Code requirement.
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    I think that's a reasonable position. I'd...

    I think that's a reasonable position.



    I'd say he should be willing. While it costs money to have custom signage made, it's certainly less than changing any aspect of the installation.


    ...
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    I couldn't find the comments I remembered (they...

    I couldn't find the comments I remembered (they may have been in a forum), but here is an entire article by him which is obviously based on the premise that Article 230 applies. Note that he...
  15. Well, I'm not a sharp electrical engineer, (that...

    Well, I'm not a sharp electrical engineer, (that is, I'm not an electrical engineer :D), but here goes...

    Three phase inverters that are set up to output on 480 volts typically will not put any...
  16. Replies
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    For PV (DC) circuits inside a building... I...

    For PV (DC) circuits inside a building...
    I don't have the 2008 code, but looking at 690.31(E) in the 2011 code the phrase "shall be contained in metal raceways, or metal enclosures..." is not...
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    I don't see a problem. You didn't mention the...

    I don't see a problem. You didn't mention the electrode at the garage before but of course that's required by 250.32.



    Bonding the array to the building grounding electrode system, usually...
  18. Replies
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    Seems like what I said...They are using this...

    Seems like what I said...They are using this opportunity to add power to the garage even though it's not necessary for the PV system. Otherwise there's no reason the inverter circuit couldn't just...
  19. Replies
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    Sounds like SMA's new Secure-Power-Supply. And...

    Sounds like SMA's new Secure-Power-Supply. And yes, they are pretty new, less than a year old.

    This shouldn't be considered a load for the purposes of the rest of the discussion.
  20. It should be noted that since that article was...

    It should be noted that since that article was published, ungrounded systems have become a lot more common. We just installed a grounded system that was the first one we've done in about 8 months. ...
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    I should say at this point that I'm not sure I'm...

    I should say at this point that I'm not sure I'm totally following your description of the system. However, I don't see any reason for the 100A panel to be part of the PV install at the garage, if...
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    First of all, note that 230.71 only requires...

    First of all, note that 230.71 only requires grouping for each set of service entrance conductors allowed in 230.40. Since the conductors to the PV disconnect (200A breaker) fit under...
  23. I would say that PV source or output circuits do...

    I would say that PV source or output circuits do not fit the definition of either a branch circuit or a feeder. So, no, they do not apply.

    With that said... they should generally be followed...
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    It's impossible to say whether this is feasible...

    It's impossible to say whether this is feasible without knowing both the client's maximum electrical load and his overall electrical energy consumption. Also, while the solar resource can be...
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    Is it LFNC or LFMC? (Then again since you said...

    Is it LFNC or LFMC?

    (Then again since you said it was supposed to be for expansion then even LFMC could be problematic.)
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