A switch used to deenergize a power line prior to repairs being made, basically an on and off switch.
Especially in electricity, to shut off the current in a device by removing its connection with the power supply.
A large electrical on-off switch.
Device to permit easy and rapid separation of electrical components.
A device used to electrically isolate a piece of equipment. A disconnect may be gang operated (all poles switched simultaneously) or individually operated.
The disconnect is an electrical switch which is located at the condensing unit. This switch allows anyone servicing a condenser to turn off power at the unit. Most city codes require that a disconnect be installed when replacing a unit if one does not already exist.