Masts for lightning and surge protection, regulations and standards. All free- standing masts shall be earthed according to the SANS standard. All earth resistance tests for Lightning Conductors and Non-isolated air-termination shall be less than 10ohms. For earth electrodes in rocky soil, these requirements of 10ohms are not applicable. Where...
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Kas Cloete
072 158-4601
kas@lightningking.co.za