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Surge protection
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<blockquote data-quote="chrisc" data-source="post: 1125439" data-attributes="member: 746"><p>I asked my insurance to substantially increase the surge protection cover to R100k</p><p>They agreed, but stipulated that a commercially rated surge protection device be fitted to the DB. One that will short any incoming surges to earth</p><p>The electrician specified a device having "Silicon Avalanche Diode Technology, Class 2"</p><p>This one was fitted. It is a Safetec C, <25ns response, 1000 amps and maximum 1.5kV</p><p></p><p>A good one is the ONESTO range. Just under R1000. Very simple to install. One cable to each phase and neutral and a 4mm cable to earth. He also made sure the earth spike was adequate and will in due course lay an earth mat so both are used</p><p></p><p>There were some posts a little while ago about the benefits of an earth mat</p><p></p><p>[ATTACH=full]19122[/ATTACH]</p><p></p><p>Made no difference to the sound though.....</p></blockquote><p></p>
[QUOTE="chrisc, post: 1125439, member: 746"] I asked my insurance to substantially increase the surge protection cover to R100k They agreed, but stipulated that a commercially rated surge protection device be fitted to the DB. One that will short any incoming surges to earth The electrician specified a device having "Silicon Avalanche Diode Technology, Class 2" This one was fitted. It is a Safetec C, <25ns response, 1000 amps and maximum 1.5kV A good one is the ONESTO range. Just under R1000. Very simple to install. One cable to each phase and neutral and a 4mm cable to earth. He also made sure the earth spike was adequate and will in due course lay an earth mat so both are used There were some posts a little while ago about the benefits of an earth mat [ATTACH type="full" alt="1669555587069.png"]19122[/ATTACH] Made no difference to the sound though..... [/QUOTE]
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