Connector NAC3FCA PowerCon 20A AC Cable Speak-ON Connector 250V powercon 3 pin Speaker Chassis Adapter 

Male plug: 20A/250V Color: Power-in(NAC3FCA, 20pcs Blue) / Power-out(NAC3FCB,  20pcs Grey)

          Power-in(NAC3MPA-1, 10pcs Blue) / Power-out(NAC3MPB-1,  10pcs White)

Product Advantages: Its locking system is superior to the standard non-lockable MAIN connector

Features and characteristics: Lockable 20A/250V AC device coupler Linear, uncharged and pre-grounded three contacts Power input (blue) and power output (white) have different lock keys to avoid short circuit Fast and convenient rotary locking system Ergonomic design Package Include: 10/20PCS PowerCon Connector