Re: Size of the grounding conductor Home › Electrical Engineering Forum › General Discussion › Size of the grounding conductor › Re: Size of the grounding conductor 2014/01/06 at 12:42 pm #13398 mohamed sleemParticipant If we are doing TN-C-S system and the cable protection is a breaker, would the 1x300m2 be acceptable with a feeder 8 sets of (4x1c 630mm2)? & if all of the sets installed in group the 8x1c300m2 will be ok? Thank you,
