... 4 pin power connector: 1.IP65 2.CE,ROHS,CCC,ISO9001:2008 3.OEM service available 4.pins: 2/3/4 ... /5/7/9/12 4pin waterproof LED cabinet power connector : Specification ... hard chromium)3.Contact pinCopper alloy(gold-plated)4.JackPhosphor bronze (gold-plated)5.SpringStainless steel6. ... ,000 pcs per month We open the mould by ourselves. With a National level laboratory , and ...