JIS C61558-2-5-2014 变压器, 电抗器, 电源装置及其组合装置的安全. 第2-5部分: 剃须刀用变压器, 剃须刀用电源装置和剃须刀电源单元的特殊要求和试验
Safety of transformers, reactors, power supply units and combinations thereof -- Part 2-5: Particular requirements and test for transformers for shavers, power supply units for shavers and shaver supply units