这个问题对于950来讲,看定义如下:
PLUGGABLE EQUIPMENT TYPE A
equipment that is intended for connection to a MAINS SUPPLY via a non-industrial plug and
socket-outlet or a non-industrial appliance coupler, or both.
PLUGGABLE EQUIPMENT TYPE B
equipment that is intended for connection to a MAINS SUPPLY via an industrial plug and socketoutlet
or an appliance coupler, or both, complying with IEC 60309 or with a comparable national standard.