PowerCON connector,NAC3FCA+NAC3MPA-1&NAC3FCB+NAC3MPB-1,Lockable Cable Connector + Chassis Connector, -in&-out more than Male plug: 20A/250V more than Female socket: 15A/250V more than Linear, uncharged and pre-grounded three contacts more than input (blue) and output (white) have different lock to avoid short circuit more than Fast and convenient locking system more than Ergonomic design colour: blue + white material: nylon + copper Package Contents: 2 * blue plug 2 * blue 2 * white plug 2 * white carriers Precautions: more than Powercon is a connector without occlusion capacity more than Do not or disconnect at will during loading or live performance more than Do not the wall of the house structure as the main connector Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.