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davidcaulfield
Hi guys in installing a 16mm submain with a 10mm earth and I'm going to install a 80amp time delay RCD with a 63amp MCB to protect it. Some one said I could just use a 63amp RCD to protect it? Never done this before and wouldn't think you could.
Also should I just use a 63amp RCD with a 63amp MCB
Also should I just use a 63amp RCD with a 63amp MCB