Hi all, Not sure what etiquette applies to your group so I don't wish to offend but I have a question in relation to my house lighting circuitry. I don't appear to have an earth wire running from lampholder to lampholder. There is an earth wire that is connected to the copper plumbing but I don't know what circuit(s) it comes from. The house was built in the 1960's in Australia. Why is this and what does it mean for renovation purposes? V
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15 years ago