Virginia Teen Recovering After Lake Shock from Dock Wiring

Discussion in 'Electrical Forum discussion & Blog' started by WorthFlorida, Jun 18, 2018.

  1. WorthFlorida

    WorthFlorida The wife is still training me.

    Oct 28, 2009
    Orlando, Florida
    Last edited: Jun 18, 2018
  2. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    Also there is a lot of information here on wiring for docks.

    The first question was posted by Randyj
    I live on a lake and most of the floating docks here are wired for electric lights, air pumps for floating boat lifts, and usually a provision for battery chargers. Also, many docks will have well pumps to use the lake water for washing down boats. Generally a boat dock will have 2 to 6 outlets and a couple of 8 ft florescent light fixtures and maybe some kind of light out over the water. The distance to the main switch box in a lake house is typically 200 ft from the dock.

    Generally the docks are wired with 12/2 WG in conduit. Also, if the ground comes from the switch box rather than a ground rod at the walkway to the dock you can get a 6 to 8 volt "tickle" when you climb upon a metal boat dock... So, I've installed several ground rods at the walk way and cut the safety ground from the switch box to stop this "tickle" voltage which is a result of voltage drop from the long distance of wiring to the dock. A typical walkway to the dock is 65 ft.

    Here's some questions... what size/type of wire would you run to the dock?

    Would you use a GFCI breaker, GFCI outlets, or both?
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