S Sergeant Joined 28 Nov 2010 Messages 8 Reaction score 0 Country 1 Dec 2010 #1 If the 30/11kV Substation and 11/0.4kV substation choose TT system， can the earthing system of residential buildinguse TN-S or TN-C-S? Generally, the earthing system of the substation and consumers can be different?
If the 30/11kV Substation and 11/0.4kV substation choose TT system， can the earthing system of residential buildinguse TN-S or TN-C-S? Generally, the earthing system of the substation and consumers can be different?
