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Thread: How to Protect Electrical Service from Flood Zone

  1. #21
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    Quote Originally Posted by Cow View Post
    I disagree.

    For reference, we just ran three 4 inch conduits into a basement 3' below the water table.

    If you have the hole cored properly, and use a linkseal, combined with polywater fst foam, there will not be an issue.

    https://www.polywater.com/product/po...-duct-sealant/

    http://www.cooperindustries.com/cont...orconduit.html
    My guess is said basement probably also has drainage tile, sump pump, fill near the wall is something that will drain easily, etc. and to a certain extent you don't really need a perfect seal.
    I live for today, I'm just a day behind.

  2. #22
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    Quote Originally Posted by kwired View Post
    My guess is said basement probably also has drainage tile, sump pump, fill near the wall is something that will drain easily, etc. and to a certain extent you don't really need a perfect seal.
    True,

    That, and, I doubt the installing contractor ever actually knows just how good a seal they've made a couple of years after leaving the project.

    The best penetration into a basement below grade level is no penetration at all.


    JAP>

  3. #23
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    Quote Originally Posted by jap View Post
    True,

    That, and, I doubt the installing contractor ever actually knows just how good a seal they've made a couple of years after leaving the project.

    The best penetration into a basement below grade level is no penetration at all.


    JAP>
    coming up from the floor in an enlarged sump chamber seemed alright to me, you just have to get there early to make it seem practical to most people.

  4. #24
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    Quote Originally Posted by BatmanisWatching1987 View Post
    Thank you for the help.

    What code section would I need to look up for maximum height for panels and disconnect when in a flood zone?
    Idk the specifics of where you are, but in my area it’s typically 12” minimum above flood plane. If this puts your disconnect over 6’-7”, a platform that meets minimum working space dimensions is required.


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  5. #25
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    Quote Originally Posted by brantmacga View Post
    Idk the specifics of where you are, but in my area it’s typically 12” minimum above flood plane. If this puts your disconnect over 6’-7”, a platform that meets minimum working space dimensions is required.


    Sent from my iPhone using Tapatalk
    But OP says this is in a basement, presumably in a basement in an area where flooding may be likely. That IMO changes things, and can depend on what measures are taken to prevent the basement itself from flooding.
    I live for today, I'm just a day behind.

  6. #26
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    There is no maximum height, just 6-7 to the center of the switch from platform,and accessible, and that can be on a second story. Keep in mind the service entrance conductors are unfused and there are limits on running them inside a building, which vary greatly by jurisdiction (or encase in concrete).
    Moderator-Washington State
    Ancora Imparo

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