Emergency disconnect

From The Stargate Omnipedia

Emergencydisconnect.jpg

Inadvisable procedure during which the S.G.C. is terminated of all power via breakers on sub-level 28. Electricity is cut to the levels of the facility as well as the Stargate, terminating the wormhole.

KEY EPISODE

Entity - During the intrusion of an alien entity, General Hammond orders emergency disconnect to prevent more of it from piggybacking an outgoing wormhole.