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<blockquote data-quote="dun" data-source="post: 782375" data-attributes="member: 34"><p>From page 20 of the Gallagher fencing manual</p><p><a href="http://www.gallagherusa.com/electric-fencing/downloads.aspx" target="_blank">http://www.gallagherusa.com/electric-fe ... loads.aspx</a></p><p></p><p>Test the ground system</p><p>This needs to be done once a short section</p><p>of fence has been built. It should be tested</p><p>at least once a year or at the height of any</p><p>dry period to ensure the grounding capacity</p><p>is sufficient for the joule rating of the</p><p>energizer.</p><p>Short the fence out at least 330ft away</p><p>from the ground system by using several</p><p>steel stakes between the hot wires and the</p><p>ground. Reduce the fence voltage at this</p><p>point to 2000V (2kV) or less.</p><p>Using a Digital Volt Meter (DVM) (G5030 or</p><p>G5035) measure the voltage between the</p><p>wire connecting through the ground rods</p><p>to the energizer ground terminal and an</p><p>independent ground rod. This stake should</p><p>be a galvanized metal rod, minimum 8"</p><p>long, and placed 3ft away from the ground</p><p>rods or as far away as your DVM cable will</p><p>reach (see Figure 4.9).</p><p>Note: If you are using a SmartPower</p><p>energizer the ground monitor/alarm will</p><p>indicate when the ground system requires</p><p>attention (see Figure 4.6).</p><p>There should be no reading on the DVM,</p><p>however up to 200V (0.2kV) is acceptable.</p><p>If the voltage is higher than this, switch off</p><p>the energizer, drive in more ground rods at</p><p>the recommended spacings and connect</p><p>them to the existing ground system until</p><p>the voltage is down to the acceptable level.</p></blockquote><p></p>
[QUOTE="dun, post: 782375, member: 34"] From page 20 of the Gallagher fencing manual [url=http://www.gallagherusa.com/electric-fencing/downloads.aspx]http://www.gallagherusa.com/electric-fe ... loads.aspx[/url] Test the ground system This needs to be done once a short section of fence has been built. It should be tested at least once a year or at the height of any dry period to ensure the grounding capacity is sufficient for the joule rating of the energizer. Short the fence out at least 330ft away from the ground system by using several steel stakes between the hot wires and the ground. Reduce the fence voltage at this point to 2000V (2kV) or less. Using a Digital Volt Meter (DVM) (G5030 or G5035) measure the voltage between the wire connecting through the ground rods to the energizer ground terminal and an independent ground rod. This stake should be a galvanized metal rod, minimum 8” long, and placed 3ft away from the ground rods or as far away as your DVM cable will reach (see Figure 4.9). Note: If you are using a SmartPower energizer the ground monitor/alarm will indicate when the ground system requires attention (see Figure 4.6). There should be no reading on the DVM, however up to 200V (0.2kV) is acceptable. If the voltage is higher than this, switch off the energizer, drive in more ground rods at the recommended spacings and connect them to the existing ground system until the voltage is down to the acceptable level. [/QUOTE]
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