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I've had a look at 544.1 so from what I understand the answer is 10mm, but I've read on other forums the answer would be 25mm. I don't really understand what I'm reading as I've only been studying for my qualification for 2months, this is my 2 assignment. Thanks for your help. I'm supposed to...

I'm stuck on a question, I've looked through the text book and cant find the answer anywhere.  The question reads - The correct size of main bonding conductor for a TN-S system having 25mm² phase and neutral conductors is - A) 6mm² B) 10mm² C) 16mm² D) 25mm² Can someone tell me what the...

Just saying hello. I'm currently studying to be a full scope electrician with Trades Gateway College. I'm really enjoying the course although finding time to study is difficult with my full time job because I'm a chef and work about 60 hours a week.  No doubt I will be on here at some point in...