A1 () in the Minimum Safe Net Distance for Internal Distribution Installations
A、The minimum distance between the live part and the grounding part is stipulated
B、The minimum distance between the network and plate shading and the charged part above the shading is defined at 2.3m upward extension line
C、 The minimum distance between charged parts of different phases is specified
D、The minimum distance between the live part of the lead on either side of the break of the breaker and disconnecting switch is specified