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Extenders are power routing items that are used to extend the distances of the power cables for bases, and can be used to support power networks between distant bases. Extenders allow power to flow in only one direction, which is dictated by the direction that the cable is connected to an extender.
If an Oxygenator is connected, extenders will supply Oxygen to platforms they connect to. Extenders are created in packs of 5.
To use extenders, they must either be in the widget slot of the Backpack or placed on the ground.
To place an extender in the widget slot, press either context key (for PC: or , Xbox: or , PS4: or , Switch: or depending on which slot the extenders are on) and it will drop to the side of the player. The player can also hold a cable, and press the context key to place the extender at the cable's end location, connecting the cable to it without having to connect it manually.
To place an extender from a pack on the ground, the player must hold PC: , Xbox: , PS4: , Switch: over the pack to pop out one of the extenders, then it can be moved to where the player wants it.
Vehicles and Splitters have extender-like mechanics built into them, in which power can only flow one way. This excludes vehicles connecting to another vehicle. This would create a rover chain.
At the moment power only flows in one direction through the extenders. Power flows from the port you initially clicked on, through the extender, and then out of the extender to the port you click on last. When connected, yellow arrows will move along the power cable and indicate the direction of power flow.
This function is very useful to direct which part of the base should prioritize getting power. A Splitter is also good for this task, especially since you can restrict power to parts as well.
This one-way functionality can be useful when making automatic backup generators, as the extender can be used to prevent the backup generator from powering a power sensor.