What is "open circuits"

Usage examples of "open circuits".

He had darted across to his action couch, snifted the big board, keyed first for open circuits.

Scotty rode it out where he was, then probed for open circuits the moment he could move again.

It seemed likely that what had knocked them out was the initial massive burst of repulsor power so strong that it had managed to jump across open circuits.

I crawled forward through green fog and hot stench, careful to avoid bare electrical burnouts after almost putting my hand down on open circuits.

But they would not talk in their long sleep, or reveal their secret during the many hours of discussion with friends and relatives and news agencies over the open circuits with Earth.

I have found and corrected some open circuits that way-minor factory defects, nothing I could not handle at once.

Well now, only Captain Durer himself is authorized, you understand, to put our mission's details onto open circuits.

Lights exploded overhead, spilled streamers of fire from the open circuits.