27 Parts connected by protective impedance shall be separated by double insulation or reinforced insulation.
27 Parts connected by protective impedance shall be separated by double insulation or reinforced insulation.
应采用双重绝缘或加强绝缘将由保护阻抗连接的各个部件隔开。
27 Parts connected by protective impedance shall be separated by double insulation or reinforced insulation.
应采用双重绝缘或加强绝缘将由保护阻抗连接的各个部件隔开。