Electric Outage Notification Glossary

Feeder Circuit: An electrical supply line--located either overhead or underground--that carries power less than 60,000 volts from the substations through various paths that end at the transformer.

Heartbeat: A "check in" signal to notify the company that there has been no outage activity in 64 days.

Momentary Outage: A signal to notify the company of a power outage that lasts less than two minutes.

Recloser: A recloser is a switch that functions like a circuit breaker and protects primary circuits from faulty conditions. It will automatically restore the circuit in the event of a temporary fault. An occurrence such as a tree branch falling onto the lines can cause temporary faults.

Sleeper: A device that has not contacted the company for over 65 days or two months.

Sustained Outage: A signal to notify the company of a power outage that lasts more than two minutes.

Switched Outlet: An electrical outlet that is turned on and off by a wall switch.