Interruption Cause Categories

Interruption Code Description

Other Alternative Retail Electric Supplier or Other Utility

Loss of Supply

Operating Event

Jurisdictional Entity/Contractor Personnel-Errors

Unclassified Error

Switching Error

Accident by Jurisdictional Entity

Testing Error

Dig-In by Jurisdictional Entity

Accident by Jurisdictional Entity

Contractor

Dig-In by Jurisdictional Entity

Contractor

Customer

Overload

Customer Request

Customer Equipment

Non-payment of Bill

Tampering with Service

Access to Equipment Denied

Interruptible Service Tariff or Contract

Public

Foreign Object

Fire

Vandalism

Accident by Others

Dig-In by Others

Vehicles

Weather Related

Lightning

Wind

Ice

Extreme Cold

Extreme Heat

Flooding

Animal Related

Wildlife

Birds

Snakes

Squirrels

Other

Tree Related

Tree Contact

Primary

Secondary

Service Drop

Limb Broken

Primary

Secondary

Service Drop

Overhead Equipment Related

Contamination

Malfunction

Broken Fuse Link

Underground Equipment Related

Underground Failure

Contamination

Malfunction

Intentional

Scheduled Construction, Maintenance or Repair

Emergency Repairs

Protection of System Integrity

Transmission and Substation Equipment Related

Contamination

Transmission System Outage

Substation Equipment

Unknown

Unknown*

Other

Other