extra-low voltage: voltage supplied from a source within the appliance that does not exceed 50 V between conductors and between conductors and earth when the appliance is supplied at rated voltage According to the definition of the EU Low Voltage Directive, low voltage ranges from 50-1000V for AC and 75-1500V for DC. By the way,…
class II appliance: appliance in which protection against electric shock does not rely on basic insulation only but in which additional safety precautions are provided, such as double insulation or reinforced insulation, there being no provision for protective earthing or reliance upon installation conditions. NOTE 1 Such an appliance may be of one of the…
class 0I appliance: appliance having at least basic insulation throughout and incorporating an earthing terminal but having a supply cord without earthing conductor and a plug without earthing contact. The appliance has a terminal for connecting an external protective conductor (protective earth conductor), but there is no wire for connecting the appliance to the protective…
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