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JGJ242-2011《住宅建筑电气设计规范》(2012年4月1日起实施)强制性条文:4.3.2设置在住宅建筑内的变压器,应选择干式、气体绝缘或非可燃性液体绝缘的变压器。8.4.3家居配电箱应装设同时断开相线和中性线的电源进线开关电器,供电回路应装设短路和过负荷保护电
JGJ242-2011 Code for Design of Residential Buildings (Effective from April 1, 2012) Mandatory Provisions: 4.3.2 For transformers installed in residential buildings, dry-type, gas-insulated or non-flammable liquid-insulated transformers should be selected . 8.4.3 home distribution box should be installed at the same time disconnect the power line and neutral wire into the line switch electrical, power supply circuit should be installed short circuit and overload protection