Conduit
A conduit was a medium to transfer energy between two points. They were often built into walls of habitat areas.

Prior to the creation of the command center aboard , the room was a storage bay for conduit housings. ()

When Geordi La Forge and Ro Laren cut a micro-hole into the bulkhead above Ten Forward, he was concerned about hitting conduit 227, but he managed to get by without rupturing the conduit. ()

A conduit that had been used to transfer warp power to a sensor array was emitting a subspace particle stream after it had been tampered with by solanogen-based lifeforms. ()

On Cardassian space stations, conduits are accompanied by Jefferies tube-like crawlspaces, which run throughout the station. These crawl spaces are lined with duranium alloy, which prevents them from being scanned by sensors. This once allowed Major Kira Nerys to fool a Cardassian warship into thinking Deep Space 9 had 5,000 photon torpedoes when in fact it only had six. () It also allowed a group of Starfleet officers to hide from the Bajoran Militia during a siege of the station in an attempted coup d'etat by the Alliance for Global Unity. ()

Miles O'Brien and Benjamin Sisko once crawled their way through a conduit to disable the self-destruct program that threatened the station as part of the counter-insurgency program they had accidentally activated. ()

While trapped inside his mind, which he visualized as DS9, Julian Bashir attempted to use the conduits to reach Ops. However, the telepathic attack he had suffered caused him to continually re-emerge on the Promenade. ()

Quark once decided to assemble an all-Ferengi team to rescue his mother Ishka from the Dominion. He had to find his brother Rom, who was on duty at the time and working in one of the station's conduits. After informing Rom of the situation, Quark got lost and found upon opening the hatch at the end of a conduit that he had reached Captain Sisko's office. ()

When turning the captain's dining room into a galley on the , Neelix had to re-route the conduits in the mess hall for the job. ()

Among their organic technology, Species 8472 bio-ships carried electrodynamic fluid through their organic conduits. ()

A plasma injector conduit was among the items  and his pirates stole from the Voyager in 2374. Tuvok identified it after the  hologram purchased it from an alien. ()

See also 
 Access conduit
 Plasma conduit
 Polaric conduit

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Technology