The ECS-5 provides a 5/8” diameter connector for some of Fluence brands newer LED fixtures using PushLock Waterproof Connectors for interconnecting. Like the other ECS kits, the TrolMaster ECS-5 comes with a 16ft RJ12 cable, a T-splitter and a special 4 ft RJ12 / PushLock Waterproof Connector cable.