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Supply to shed
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<blockquote data-quote="Davethsparky" data-source="post: 416492" data-attributes="member: 27165"><p>How have you proved the stability of those readings? Being only 4' deep it will be far more susceptible to seasonal changes than a deeper electrode. </p><p></p><p>Around here 2x 8' rods spaced around 12' apart normally achieve an Ra below 20ohm </p><p></p><p>that at all depends on how you define acceptable, a value of 300ohm achieved through multiple deep rods or horizontal tapes will be more stable than a value of 100ohm achieved with a single short rod</p></blockquote><p></p>
[QUOTE="Davethsparky, post: 416492, member: 27165"] How have you proved the stability of those readings? Being only 4' deep it will be far more susceptible to seasonal changes than a deeper electrode. Around here 2x 8' rods spaced around 12' apart normally achieve an Ra below 20ohm that at all depends on how you define acceptable, a value of 300ohm achieved through multiple deep rods or horizontal tapes will be more stable than a value of 100ohm achieved with a single short rod [/QUOTE]
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