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    flamingo one Posts: 1, Reputation: 1
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    Feb 4, 2010, 04:27 PM
    Ground rod in solid coral
    This house is in the Caribbean.
    Existing SE is 127V AC 50 cycles 25A 2 wires, no ground.
    Upgrading to 127/240V 100A 3 wires WG.
    Entire yard is solid coral.
    How do I ground this and what size wire?
    Thanks.

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