Connector having a plug arranged above a plate-like terminal

A connector including a first connector part and a second connector part to be connected to each other, the connector comprising:

• a plate-like terminal provided in said first connector part, the plate-like terminal being maintained at a power supply voltage or a ground potential;
• a first insulation part provided on said plate-like terminal;
• a plug supported by said first insulation part and connected to a signal line, the plug including a protrusion part protruding from said first insulation part;
• a second insulation part provided in said second connector part;
• a first terminal configured by a plate spring supported by said second insulation part, the first terminal having an extreme end part to be engaged with a side surface of said protrusion part of said plug when said first connector part and said second connector part are connected to each other;
• and
• a second terminal for power supply or ground supported by said second insulation part, the second terminal configured to contact with said plate-like terminal when said first connector part and said second connector part are connected to each other.