two-pin plug meaning in English

两脚插塞
两脚插头
双线插头
双柱插头

However , the department s inspections have also found that a few unbranded christmas lighting chains do not have adequate insulation andor are fitted with two - pin plugs , which do not comply with the electrical products ( safety ) regulation
不过，巡查时亦发现少数没有印上牌子的圣诞灯饰串没有足够的绝缘保护及或使用两脚插头，并不符合《电气产品(安全)规例》的规定。