When reading about cool projects and products, it’s common to see wiring plugs labelled “JST connector.” This looks fine until we start getting hands-on and begin hacking things together.

A reversible 8-pin plug and socket for Apple mobile devices ... Lightning superseded the 30-pin dock connector that dates back to 2001. The 30-pin cables and docks were adapted or updated.

The SAE J1772 standard was announced in June 2001, also known as the J Plug. The 5-pin connector supports single-phase AC charging at 1.44 kW when hooked up to a standard home power socket ...