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Thread: Multi-use bonding washers versus single use

  1. #1
    Join Date
    Nov 2015
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    CA, USA
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    Multi-use bonding washers versus single use

    There are multi-use and single-use bonding washers and clips available. If someone is servicing a PV array and has to R&R a module that uses bonding clips how do they know if they can reuse the clip or not? Maybe they just assume it's one time use and replace it?

  2. #2
    Join Date
    May 2011
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    4,577
    Qualified service personnel will possess an encyclopedic knowledge of which clips are which.

  3. #3
    Join Date
    May 2013
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    Massachusetts
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    Quote Originally Posted by pv_n00b View Post
    There are multi-use and single-use bonding washers and clips available. If someone is servicing a PV array and has to R&R a module that uses bonding clips how do they know if they can reuse the clip or not? Maybe they just assume it's one time use and replace it?
    It will be marked with a part number stamped in to the product itself, and one would look up that part number and manufacturer for the product instructions. Ideally, the drawing set would also specify make/model of bonding hardware, and while making a maintenance plan, one would look up product instructions and carry spare bonding hardware if necessary.

  4. #4
    Join Date
    Nov 2015
    Location
    CA, USA
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    I was thinking it might be a good idea to have it marked on the clip. Something like "Single Use" or "Multi-Use". If it is multi-use it would then be up to the person working on it to determine the manufacturer's reuse requirements. If it's single-use they would know to toss it.

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