母线排、零线排、保护接地排采用自行设计的绝缘支架安装，结构合理，互换性强。
Bus bar , zero line bar and protective earth bar adopt the self-designed insulation support, characterized by rational structure and better interchangeability;
直接将绝缘铜管母线固定在钢构架上或混凝土支架上，取消穿强套管和支柱绝缘子，具有较强的抗震动能力。
Fix insulated copper tubular busbar on the steel framework directly and remove wall bushing and supporting insulator. It has strong vibration resistance.
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