An EPS tap was a device connected to the EPS network aboard a starship or space station. It enabled personnel to drain energy from the EPS to power other devices or systems. Geordi La Forge told Leah Brahms to watch out for a power tap while crawling through a power transfer conduit in 2367. (TNG: "Galaxy's Child" ) When trying to repair the atmosphere of Penthara IV, a burst from the deflector dish was fired at the planet, followed by a discharge of all EPS taps through the phasers. (TNG: "A Matter of Time" )