Please explain the origin of the terms “male” and “female” in reference to plumbing and electrical fittings, for the slower plumbers in the room.
Okay I will try. Male fittings typically have external threads and female fittings typically have internal threads.
https://www.ondemandsupplies.co.uk/plumbing-blog-on-demand-supplies/what-are-the-differences-between-male-and-female-pipe-fittings/