Plug for power using alternating current (AC)
Plug for power using direct current (DC)
Coaxial cable for high-speed communication
Crimped wire
Registered jack
Radio wave transmission
DIN
D-Sub
Digital video interchange
EIAJ
High Definition Multimedia Interface
RCA
Socket for a light bulb, where the ConnectionSubtype identifies the base (though not necessarily the bulb shape or size).
TRS
Universal serial bus
XLR
required category not on scale
Value is unkown
Value has not been specified