Ah a plug. I have never heard someone refer to it as an outlet end.
Being an electrician we call them not an outlet but a receptacle.
When we respond to DIYers we try to stay with proper terminology so that when a DIYer asks questions we are sure of what they mean. The terms outlet and receptacle are used interchangeably but really have two different technical meanings. Sometimes if a DIYer uses an incorrect term but it is obvious as to what they are referring to then we don't ask for clarification but sometimes it is important that we do ask for clarification to prevent us from offering incorrect advise or guidance. We don't do it to be picky, we do it for safety and assurance.
It also helps a DIYer to learn proper termonology so that when they search the Net for answers to their questions they get more precise responses. Again, not to be picky.
See Here
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Although all three terms are often used interchangeably to mean “that thing in the wall that you plug a cord into,” each has a different, specific meaning:
Outlet - The National Electrical Code (NEC) defines it as “a point on the wiring system at which current is taken to supply utilization equipment.” This would include a receptacle, but also could be a light fixture, appliance, ceiling fan, or smoke alarm.
Receptacle - “A contact device installed at the outlet for connection of an attachment plug,” according to the NEC. So, essentially, a receptacle is one type of outlet.
Receptacle Outlet - “An outlet where one or more receptacles are installed.” This is the technically correct name for what is pictured at the top of this page.
Attachment Plug - Usually referred to as simply a plug, it more formally described as an Attachment Plug by the NEC, and defined as “a device that, by insertion into a receptacle, establishes a connection between the conductors of the attached flexible cord and the conductors connected permanently to the receptacle.”
None of this is going to stop people from using the words receptacle, outlet, and plug to mean the same thing; but the difference is worth remembering when each one is used in the context of a building code.