IEC 62986:2017（E）规定了具有标准配置弓形触点的插头、插座、连接器和器具入口（以下简称附件）的一般和尺寸互换性要求，其额定工作电压不超过600V AC，频率为50Hz和60Hz，额定电流为20A和30A，主要用于室内商业用途，条件是水的存在可以忽略不计。

IEC 62986:2017(E) sets the general and dimensional interchangeability requirements for plugs, socket-outlets, connectors and appliance inlets with arcuate contacts of standardized configurations (hereinafter referred to as accessories), with a rated operating voltage not exceeding 600？V？AC at a frequency of 50？Hz and 60？Hz and with rated currents of 20？A and 30？A, primarily intended for commercial use indoors, in conditions where the presence of water is negligible.