ECN Forum Forums Code Related Discussion Canadian Electrical Code Topics Errata 2002 Second Printing OESC

Update No. 1
Ontario Electrical Safety Code, 23rd Edition
August 2002

Title: Ontario Electrical Safety Code, 23rd Edition, originally published April 2002

The following is a list of errata that have been identified in the 2002 edition of the Ontario Electrical Safety
Code, the list also includes editorial changes that will be made in the next edition (2006).


Section 4 Subcommittee – Add “G. Montminy – Régie du bâtiment du Québec, Québec, Québec”.

Section 54 Subcommittee Chair - “D. Potvin” should read “J. Poulin”.

Rule 2-010(1) – “alternation” should read “alteration”.

Rule 6-300(1)(b)(ii) – “or to” should read “except in”.

Rule 24-104(7) – The reference to Subrule 24-104(5) should be to Subrule 24-104(6).

Rule 26-720(d) – “an cupboard” should read “a cupboard”.

Rule 30-804(3)(a) – The first “transformers” should read “transformer”.

Rule 34-302 – “transformers” should read “transformer”.

Rule 62-126(1) – “ro” should read “to”.

Rule 62-200 – “62-224” should read “62-226”.

Rule 70-000(3) – The Standard designation should read “CSA Standard Z240 RV Series”.

Rule 70-106(d) – “exposed cap” should read “exposed end”.

Rule 70-110(2) – “oher” should read “other”.
Appendix A – Add “CAN/CSA-C22.2 No. 126-M91 (R1997), Cable Tray Systems”.

Appendix B Note to Rule 4-004, third and fifth paragraphs — “Table D10A or D10B” should
read “Table D9A or D9B” and “Table D9A or D9B” should read “Table D10A or D10B”.

Appendix B Note to Rule 12-936 — The Rule reference should read “Rule 12-934”.

Appendix B Note to Rule 26-354 — “Sentence 3.5.2.8” should read “Sentence 3.6.2.8”.

Appendix B Note to Rule 68-058(4) — The Rule reference should read “Rule 68-058(3)”.

Appendix B Note to Rule 75-328 – This note is to be deleted.

Appendix F6.9 — “Class 1” should read “Class I”.

Appendix F12.6 — “Class 1” should read “Class I”.

Update No. 1 (continued)
Rule J18-070 — “(see Appendices B and H)” should read “(see Appendices JB and H)”.

Index — “Ampacity of Conductors” — “D8, D9, D10, D11” should read “D8A to D15B”.

Index — “Conductor Ampacity” — “D8, D9, D10, D11” should read “D8A to D15B”.

Index — “Conductor Ampacity for Motors” — “Table D12” should read “Table D16”.

Index — “Conductor Sizes for Motors” — “Table D12” should read “Table D16”.

Index — “Conductors, Supply, for Resistance Welders” — “42-104” should read “42-014”.

Index — “Motor Conductor Ampacity” — “Table D12” should read “Table D16”.

Index — “Motor Overcurrent Protection” — “Table D12” should read “Table D16”.

Index — “Motor Overload Protection” — “Table D12” should read “Table D16”.

Index — “Overcurrent Protection for Motors” — “Table D12” should read “Table D16”.

Index — “Overcurrent Protection Setting” — “Table D12” should read “Table D16”.

Index — “Overload Protection for Motors” — “Table D12” should read “Table D16”.

Index — “Panelboard Location” and “Panelboards” — “26-440” and “26-442” should read “26-400” and
“26-402”.

Index — “Protection, Overcurrent, Setting of” — “Table D12” should read “Table D16”.


Tony Moscioni
Electrical Inspector
Electrical Safety Authority