What are the regulations for the selection of neutral conductor and protective conductor cross-section?
1. Under the following conditions, the neutral conductor should have the same cross-section as the phase conductor: 1) Single-phase two-wire circuit of any cross section; 2) In three-phase four-wire and single-phase three-wire circuits, the cross-section of the phase conductor shall not exceed 16mm2 (copper) or 25mm2 (aluminum). 2. In a ... Read More