Headers and Wire Housings
Header connectors are formed by one or more rows of male pins, headers may be shrouded and include a plastic guide around the pins that facilitates the mating and also works as a keying or latch mechanism. Headers can be mated with sockets in a board to board connection or with IDC (insulation displacement connector) connectors. IDC as well as other types of wire to wire and wire to board connectors correspond to the wire housing category,
Board to board and wire to board connectors
