As discussed, these energy storage units operate at a high current and voltage level. Due to this, safety is at the forefront of rack design to ensure that operators do not come in contact with live parts when installing or swapping out modules. In order to swap out a module, the positive and negative ports need to be disconnected and reconnected to a new module. For this reason, the Han^® S connector provides finger-safe protection at the female as well as the male contact side.