安全用电知识

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  685ba88a52dd4b2cbd89e51d8abd5887

  b5d9e5f33b4a47ccb28d609de3529503

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  3ad0210b9dec4db08720d21739e320ef

  ec7e2dbd77694c1088ffa76707d38e09

  这是应该大力提倡的接零保护方式。该系统中,N线和PE线各尽其责,具有较高的用电安全性,

  66d236bc7547440ab2b4cc177f052969

  91bd7deec5c74436b5c29d66cc76213c

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  46f4deec224c4183aa8e2994b8ea0a09

达到当天最大量