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Hi all, my electrician is currently dealing with his Ukraine family issues and asked me to get everything prepped for when he returns. I'm in Spain where sourcing materials can be difficult to say the least. He specced 20 meters of 16mm2 positive and neutral cable to come in from the meter but didn't mention the size of earth cable which comes from an earth rod half that distance away.
From what I've read online it could be 10mm2 for the earth or it could be the same as the other cabling at 16mm2. I need to know which would be okay as minimum requirement because the 16mm2 presents the problem of having to buy a minimum of 30 meters which represents huge wastage compared to the 10mm2 of which I can buy just 10 meters.
I know budget shouldn't impact safety but money saved where I can gives me more flexibility and less corners to consider cutting!
Thanks in advance!
From what I've read online it could be 10mm2 for the earth or it could be the same as the other cabling at 16mm2. I need to know which would be okay as minimum requirement because the 16mm2 presents the problem of having to buy a minimum of 30 meters which represents huge wastage compared to the 10mm2 of which I can buy just 10 meters.
I know budget shouldn't impact safety but money saved where I can gives me more flexibility and less corners to consider cutting!
Thanks in advance!