Ill. Admin. Code tit. 83, pt. 411, subpt. D, tbl. A

Current through Register Vol. 49, No. 2, January 10, 2025

Table A - Causes of Interruptions

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

* This category shall not be used if a reasonable and customary investigation should be expected to determine the proper cause of the interruption for which one of the other categories would be more appropriate.