From Pikmin Fanon
This article relates to the official games. See Pikipedia's "electrode" article for more official information.
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Particularly: Add a picture of its appearance in Hey! Pikmin.
Electrode The icon used to represent this obstacle.
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Appearance in Pikmin 3.

Electrodes are a type of obstacle that take the form of a simple electric circuit consisting of two severed pieces of wire. Because Yellow Pikmin can conduct electricity, they can complete electrode circuits. Once an electrode circuit is completed, whatever the wires are attached to are powered, and the Pikmin no longer need to feed the circuit with their bodies, as the gap between the two ends gets filled with an arc of electricity flowing through the air.

In Hey! Pikmin, electrodes are parts of a thorny plant with magenta flowers that emit light when the electrode is closed. The flowers bloom while the Pikmin are conducting, but as soon as they detach, the flower closes again.

In fanon games

Below this point is where users place their version of electrodes.

In Pikmin: Decayed Leaf

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"You… your evil subordinate, your greedy boss, and this invasive Pikmin infestation will all die here TODAY!!"
This article or section presents information pertaining to Pikmin: Decayed Leaf, a fanon game created by Soundwave.
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Electrodes are a returning obstacle in Pikmin: Decayed Leaf. The small wires function and look the same as they did in Pikmin 3. The severed severed wires are initially nonfunctional, only emitting a few weak sparks. However, if the required amount of Yellow Pikmin stand between the severed wire ends and connect themselves, they will conduct electricity. This electricity will create an electric circuit between the wires, and flower the involved Yellow Pikmin. If enough electrodes are powered up, they can be used to light up large lightbulbs in the cave chamber they are in. The electrodes are mainly used in the Vehemoth Phosbat battle.

In Pikmin: Shipwrecked Stargazers

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Shipwrecked Stargazers
This article or section presents information pertaining to Pikmin: Shipwrecked Stargazers, a fanon game created by CarrotStilts1.
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In Pikmin: Shipwrecked Stargazers, electrodes are found in Connoisseur's Cache, Desperado Ditch and Gladiator's Gulch. They come in two types that look vaguely identical: blue wires that act just like their Pikmin 3 incarnation, and red wires that slowly lose power without Yellow Pikmin. If the red variant loses enough power, it will shut off and any Bloominous Stemples opened by it will close.