7.16.4.5 makes it illegal to supply an inverter through an ELU on it's input side. 7.16.4.5 The neutral shall not be earthed beyond
The comment about the ELU has nothing to do with the contactor/relay, if you do a permanent bond and fit an ELU on the input side of the inverter it will
Most burnt connections etc I have seen are bad workmanship , strands cut off before fitting into lugs , AC equipment used in place of DC , DC CB used
If the contactor is correctly sized for the neutral earth bond the chances of failure are extremely low - the same way that if a CB is sized correctly
Would be interested to know what the demands where made and what you deem not be in contravention
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Neutral/earth bridging method.
7.16.4.5 makes it illegal to supply an inverter through an ELU on it's input side.
Derlyn Today, 12:26 PM7.16.4.5 The neutral shall not be earthed beyond