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  1. 01-29-2013, 02:43 PM #1
    meby
    meby is offline Penton Team
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    600VDC Versus 1000VDC Systems

    I'm starting to see more PV equipment being offered at the 1000VDC rating. Anyone have any compelling arguments to make as to the advantages/disadvantages of installing a 1000VDC system over a 600VDC system?
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  2. 04-21-2013, 01:21 AM #2
    GT Jets's Avatar
    GT Jets
    GT Jets is offline Professional Member*
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    Old question, stumbled upon it.

    It would be my opinion that the higher voltage could allow you to fall into an NEC category that will require more safety equipment and a different insurance classification making it negate any advantage one way or the other...

    I believe as of right now the UL provisions limit US systems to 600VDC and the NEC 690.7(C) does not have the verbiage for use yet.

    We always seem to be 5-7 years behind Europe.

    GT
    If a day goes by and you have learned nothing, I hope you got a lot of sleep.
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