Hi Guys
Let me start of by saying I am not an electrician :-)
Can anyone please give me some guidance on the below
Our contractor did an installation and used a 4 core armored cable. As it is a single phase supply, he used one of the cores as the earth. Our client has now rejected the installation as they say the Earth has to be a separate bare earth cable and we cannot use one of the cores.
In speaking to a few people I am getting conflicting information whether this is a legal installation or not.
Can anyone give me a definitive answer on this with reference made to a specific section in SANS so I can show the client
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