Distributor Bulletins
The Electrical Safety Authority releases Bulletins periodically to quickly communicate new information to the Local Distribution Companies and other distribution industry participants. These bulletins are categorized as Safety Bulletins and Information Bulletins.
Safety Bulletins identify issues such as equipment failures and safe work practices. Information Bulletins provide updates on Regulatory requirements and other general industry issues.
Reports
The Electrical Safety Authority produces reports and other documents related to Ontario Regulation 22/04 or other industry issues. These documents will report on ESA’s regulatory activity or provide additional information to the industry from a working group’s endeavours or other research activities.
| Bulletin Number | Bulletin Title/Description | Download | |
|---|---|---|---|
| 20-04 | DB-04-20 | Inverter Approval Accepted by OESC | Download |
| 20-03 | DB-03-20 | COVID-19 - Updates for Audits and Declarations of Compliance | Download |
| 20-02 | DB-02-20 | Approved Auditors | Download |
| 20-01 | DB-01-20 | Previous Editions of the Overhead and Underground Standards | Download |
| 19-05 | DB-05-19 | Audit & DoC Due dates - 2019 Group 3 | Download |
| 19-05 | DB-05-19 | Audit & DoC Due dates - 2019 Group 2 | Download |
| 19-05 | DB-05-19 | Audit & DoC Due dates - 2019 Group 1 | Download |
| 19-04 | DB-04-19 | Pad‐mount Equipment Protection & Construction Projects | Download |
| 19-03 | DB-03-19 | Electrical Equipment Near Combustible Gas Equipment | Download |
| 19-03 | FN-03-19 | 3-Phase, 3-Wire, Solidly-Grounded Wye Customer Services | Download |
| 19-02 | DB-02-19 | Certificate of Approval Requirements | Download |
| 19-01 | DB-01-19 | Unused vs Used Distribution Equipment | Download |
| 18-05 | DB-05-18 | Energized Temporary Distribution Work | Download |
| 18-02 | FN-02-18 (Phase 2) | 3-Phase, 3-Wire, Solidly-Grounded Wye Customer Services - Complete | Download |
| 18-02 | FN-02-18 (Phase 2) | 3-Phase, 3-Wire, Solidly-Grounded Wye Customer Services - Corrective Action Proposal Worksheets | Download |
| 18-02 | FN-02-18 (Phase 2) | 3-Phase, 3-Wire, Solidly-Grounded Wye Customer Services - Proposals | Download |
| 18-04 | DB-04-18 | Electrical Work and Service Connections | Download |
| 18-03 | DB-03-18 | Engineering Practices and Regulation 22/04 - Sections 4 & 5 | Download |
| 18-02 | DB-02-18 | Distribution Stations Standard - CAN/CSA-22.3 No. 61936-1 | Download |
| 18-01 | FN-01-18 (Phase 1) | 3-Phase, 3-Wire, Solidly-Grounded Wye Customer Services | Download |
| 17-07 | DB-07-17 | LDC/ESA Communications for Code Side Safety Concerns | Download |
| 17-05 | DB-05-17 | Factors to Consider for Damaged Customer’s Services During Emergencies | Download |
| 17-04 | DB-04-17 | Meter Base Mounted Transfer Devices | Download |
| 17-02 | DB-02-17 | Mitigation of pole top fires | Download |
| 16-08 | DB-08-16 | UPDATED: OESC - ESA Program for Acceptance of Retrofitted Luminaires | Download |
| 16-06 | DB-06-16 | Regulation 22/04 or Ontario Electrical Safety Code? | Download |
| 16-05 | DB-05-16 | Connection Authorizations | Download |
| 16-04 | DB-04-16 | EV Charging Stations - Reg. 22/04, 570/05 and OESC Requirements | Download |
| 16-03 | DB-03-16 | Life Saving Equipment Damage From Temporary Overvoltage | Download |
| 16-02 | DB-02-16 | Certificate of Deviation – Certified Lists | Download |
| 15-11 | DB-11-15 | Reporting Meter Failures (750V or less) | Download |
| 15-07 | DB-07-15 | “Materially Insignificant” Alterations | Download |
| 15-06 | DB-06-15 | General Mechanical Protection Information Power Cable Guard | Download |
| 15-05 | DB-05-15 | Ice and Electrical Meters | Download |
| 15-04 | DB-04-15 | Guy Composite Insulators for use with Phase Conductors | Download |
| 15-03 | DB-03-15 | Sensus iConATM Generation 3.2 Remote Disconnect Meters | Download |
| 15-02 | DB-02-15 | Marking of Guys | Download |
| 15-01 | DB-01-15 | In-Field Equipment Refurbishment | Download |
| 14-05 | DB-05-14 | Major Equipment Refurbishment | Download |
| 14-04 | DB-04-14 | Installation Methods – Sags and Tension Overhead Conductor | Download |
| 14-03 | DB-03-14 | Installation Methods – Guy Anchors | Download |
| 14-02 | DB-02-14 | Process for Safety Concerns on Joint Use Poles | Download |
| 14-01 | DB-01-14 | Barrier Support Structures and Grounding Requirements | Download |
| 13-02 | DIB-02-13 | Metering Standards for C-I installations | Download |
| 13-01 | DIB-01-13 | LDC Attachments on 3rd Party Poles | Download |
| 12-13 | DIB-13-12 | Distribution System Control Component Setting & Reg 2204 Requirements | Download |
| 12-12 | DIB-12-12 | Introduction of Utility General Inspections | Download |
| 12-11 | DIB-11-12 | Certificates of Deviation Approval | Download |
| 12-10 | DIB-10-12 | Attacher Developed Plans - Work Instructions and LDC Review | Download |
| 12-08 | DIB-08-12 | Pole - Soil Tamping | Download |
| 12-07 | DIB-07-12 | DDI Process Updates | Download |
| 12-05 | DIB-05-12 | Distributor Owned Wood Poles Approval | Download |
| 12-03 | DIB-03-12 | Guidelines: Trimming Trees Around Powerlines & Planting Under or Around Powerlines & Electrical Equipment | Download |
| 12-01 | DIB-01-12 | Interconnection of electric power production sources - OESC Requirements (UPDATED) | Download |
| 11-01 | DIB-01-11 | Section 7-3.3.2 Additional Guideline Information | Download |
| 10-08 | DIB-08-10 | Standard Operating Procedure Review | Download |
| 10-06 | DIB-06-10 | Billing Meter Location | Download |
| 10-05 | DIB-05-10 | Distribution Substation & Like-for-Like | Download |
| 10-04 | DIB-04-10 | Standards Release: Electric Utility Workplace Electrical Safety | Download |
| 10-01 | DIB-01-10 | Audits and Temporary Installations | Download |
| 09-09 | DIB-09-09 | Distributed Generation (Feed-in Tariff Program Codes Publications and Standards) | Download |
| 09-08 | DIB-08-09 | QA Working Around Meter Bases | Download |
| 09-11 | DIB-11-08 | Clarifying the DDI Process | Download |
| 07-05 | DIB-07-05 | Demarcation Point | Download |
| 06-04 | DIB-04-06 | ABB Transformer Certification | Download |
| 08-01 | DIB-01-08 | RSEI Reporting Form Privacy Policy | Download |
| 07-03 | DIB 03-07 | Ontario Regulation 438_07 Product Safety | Download |
| 07-01 | DIB 01-07 | Electricity Act and Marijuana Grow Operations | Download |
| 06-10 | DIB 10-06 | Customer Owned Equipment (Meter Bases) | Download |
| 06-08 | DIB 08-06 | Re-Energizing Feeders after Recloser Lockout | Download |
| 13-01 | DSB-01-13 | Revenue Metering Equipment and Natural Gas Meter (NEW) | Download |
| 12-04 | DSB 04-12 | UPDATE - S&C Electric Canada Ltd Product Bulletin | Download |
| 12-03 | DSB 03-12 | Guy Insulator Placement - Additional Information | Download |
| 12-02 | DSB 02-12 | Insulator Class Recommendation | Download |
| 12-01 | DSB 01-12 | Voltage Conversion and OESC Requirements | Download |
| 11-08 | DSB 08-11 | S&C Electric Canada Ltd Product Bulletin | Download |
| 11-07 | DSB 07-11 | Embedded Generation Safety | Download |
| 11-05 | DSB 05-11 | In-Line Solid Blade Switch Safety | Download |
| 11-04 | DSB 04-11 | Delta Conversion and OESC Requirements Revised (UPDATED) | Download |
| 11-03 | DSB 03-11 | Ground Rods with Unauthorized UL Marks | Download |
| 11-01 | DSB 01-11 | Guy Insulator Placement | Download |
| 10-01 | DSB 01-10 | 3rd Party Attachments: Service Drop Definition & Exemption | Download |
| 09-04 | DSB 04-09 | Dead End Line Clamp | Download |
| 09-02 | DSB 02-09 | Tree Trimming Obligations | Download |
| 09-01 | DSB 01-09 | Generators - OESC and Reg 22 04 Requirements Part 2 | Download |
| 08-03 | DSB 03-08 | Alpha Technologies XM2 Standby Power Supply | Download |
| 05-01 | DSB 01-05 | Guy Installation Failures | Download |
| 06-02 | DTB 02-06 | Guy Installations | Download |
| 06-03 | DTB 03-06 | In-Line Disconnect Switches | Download |
| 06-04 | DTB 04-06 | Dead Leg Adapters | Download |
| 06-05 | DTB 05-06 | Grounding Close to Pole | Download |
| 06-06 | DTB 06-06 | Riser Pole Guards | Download |
| 08-02 | DSB 02-08 | Unsafe Temporary Service Installations | Download |
| 08-01 | DSB 01-08 | Submarine Cables | Download |
| 07-12 | DSB 12-07 | Communication Grounding Hardware and Conductors to Meterbase Enclosures | Download |
| 07-08 | DSB 08-07 | Generators - OESC and Reg 22 04 Requirements | Download |
| 07-07 | DSB 07-07 | Facility Paint Colours | Download |
| 07-06 | DSB 06-07 | Copper Theft | Download |
| 07-04 | DSB 04-07 | 44kV Substation Grounding Tests Report Summary | Download |
| 07-03 | DSB 03-07 | Adequate Inspection Process | Download |
| 07-02 | DSB 02-07 | 44-kV Substation Grounding Tests | Download |
| 07-01 | DSB 01-07 | Meter Base Failures | Download |
| 06-01 | DSB 01-06 | K-Line Polymer Insulators on Switches | Download |
| 05-03 | DSB 03-05 | Eaton DBU Expulsion Fuse Nonconformance | Download |
| 05-02 | DSB 02-05 | Guy Installation Failures Follow Up | Download |
Due Diligence Inspection Points for LDCs
Inspection Points for LDC’s — Underground (Residential)
Inspection Points for LDC’s — Overhead
Inspection Points for LDC’s — Substation
Inspection Points for LDC’s — Underground (Comm. & Ind.)
Mitigation of Pole Top Fires Best Practice
Download the Mitigation of Pole Top Fires Best Practice