Canada Occupational Health and Safety Regulations (SOR/86-304)

Regulations are current to 2017-11-20 and last amended on 2017-06-20. Previous Versions

  •  (1) Subject to subsection (4), no work on or live test of isolated electrical equipment shall be performed unless

    • (a) isolation of the equipment has been confirmed by test; and

    • (b) the employer has determined, on the basis of visual observation, that every control device and every locking device necessary to establish and maintain the isolation of the equipment

      • (i) is set in the safe position with the disconnecting contacts of control devices safely separated or, in the case of a draw-out type electrical switch gear, is withdrawn to its full extent from the contacts of the electrical switch gear,

      • (ii) is locked out, and

      • (iii) bears a distinctive tag or sign designed to notify persons that operation of the control device and movement of the locking device are prohibited during the performance of the work or live test.

  • (2) Where more than one employee is performing any work on or live test of isolated electrical equipment, a separate tag or sign for each such employee shall be attached to each control device and locking device referred to in subsection (1).

  • (3) The tag or sign referred to in subparagraph (1)(b)(iii) or subsection (2) shall

    • (a) contain the words “DO NOT OPERATE — DÉFENSE D’ACTIONNER” or display a symbol conveying the same meaning;

    • (b) show the date and hour that the control device and the locking device referred to in paragraph (1)(b) were set in the safe position or were withdrawn to their full extent from the contacts;

    • (c) show the name of the employee performing the work or live test;

    • (d) where used in connection with a live test, be distinctively marked as a testing tag or sign;

    • (e) be removed only by the employee performing the work or live test; and

    • (f) be used for no purpose other than the purpose referred to in paragraph (1)(b)(iii).

  • (4) Where, because of the nature of the work in which the electrical equipment is being used, it is not practicable to comply with subsection (1), no work on or live test of electrical equipment shall be performed unless a guarantee of isolation referred to in section 8.14 is given to the person in charge.

  • SOR/88-632, s. 20(F);
  • SOR/94-263, s. 19(F).

Guarantees of Isolation for Electrical Equipment

[SOR/88-632, s. 21(F)]
  •  (1) No employee shall give or receive a guarantee of isolation for electrical equipment unless he is authorized in writing by his employer to give or receive a guarantee of isolation.

  • (2) Not more than one employee shall give a guarantee of isolation for a piece of electrical equipment for the same period of time.

  • (3) Before an employee performs work on or a live test of isolated electrical equipment, the person in charge shall receive from the guarantor

    • (a) a written guarantee of isolation; or

    • (b) where owing to an emergency it is not practicable for the person in charge to receive a written guarantee of isolation, a non-written guarantee of isolation.

  • (4) A written guarantee of isolation referred to in paragraph (3)(a) shall be signed by the guarantor and by the person in charge and shall contain the following information:

    • (a) the date and hour when the guarantee of isolation is given to the person in charge;

    • (b) the date and hour when the electrical equipment will become isolated;

    • (c) the date and hour when the isolation will be terminated, if known;

    • (d) the procedures by which isolation is assured;

    • (e) the name of the guarantor and the person in charge; and

    • (f) a statement as to whether live tests are to be performed.

  • (5) Where a non-written guarantee of isolation referred to in paragraph (3)(b) is given, a written record thereof shall forthwith

    • (a) be made by the guarantor; and

    • (b) be made and signed by the person in charge.

  • (6) A written record referred to in subsection (5) shall contain the information referred to in subsection (4).

  • (7) Every written guarantee of isolation and every written record referred to in subsection (5) shall be

    • (a) kept by the person in charge readily available for examination by the employee performing the work or live test until the work or live test is completed;

    • (b) given to the employer when the work or live test is completed; and

    • (c) kept by the employer for a period of one year after the completion of the work or live test at his place of business nearest to the work place in which the electrical equipment is located.

  • SOR/88-632, ss. 21, 22;
  • SOR/94-263, s. 20(F);
  • SOR/96-525, s. 13.

 Where a written guarantee of isolation or a written record of an oral guarantee of isolation is given to a person in charge and the person in charge is replaced at the work place by another person in charge before the guarantee has terminated, the other person in charge shall sign the written guarantee of isolation or written record of the oral guarantee of isolation.

  • SOR/88-632, s. 23(F).

 Before an employee gives a guarantee of isolation for electrical equipment that obtains all or any portion of its electrical energy from a source that is not under his direct control, the employee shall obtain a guarantee of isolation in respect of the source from the person who is in direct control thereof and is authorized to give the guarantee in respect thereof.

  • SOR/88-632, s. 23(F).

Live Test

  •  (1) No employee shall give a guarantee of isolation for the performance of a live test on isolated electrical equipment unless

    • (a) any other guarantee of isolation given in respect of the electrical equipment for any part of the period for which the guarantee of isolation is given is terminated;

    • (b) every person to whom the other guarantee of isolation referred to in paragraph (a) was given has been informed of its termination; and

    • (c) any live test to be performed on the electrical equipment will not be hazardous to the health or safety of the person performing the live test.

  • (2) Every person performing a live test shall warn all persons who, during or as a result of the test, are likely to be exposed to a hazard.

  • SOR/88-632, s. 23(F);
  • SOR/2002-208, s. 39.

Termination of Guarantee of Isolation

  •  (1) Every person in charge shall, when work on or a live test of isolated electrical equipment is completed,

    • (a) inform the guarantor thereof; and

    • (b) make and sign a record in writing containing the date and hour when he so informed the guarantor and the name of the guarantor.

  • (2) On receipt of the information referred to in subsection (1), the guarantor shall make and sign a record in writing containing

    • (a) the date and hour when the work or live test was completed; and

    • (b) the name of the person in charge.

  • (3) The records referred to in subsections (1) and (2) shall be kept by the employer for a period of one year after the date of signature thereof at his place of business nearest to the work place in which the electrical equipment is located.

  • SOR/88-632, s. 24(F).

Safety Grounding

  •  (1) No employee shall attach a safety ground to electrical equipment unless he has tested the electrical equipment and has established that it is isolated.

  • (2) Subsection (1) does not apply in respect of electrical equipment that is grounded by means of a grounding switch that is an integral part of the equipment.

  • SOR/88-632, s. 25(F).
  •  (1) Subject to subsection (2), no work shall be performed on any electrical equipment in an area in which is located

    • (a) a grounding bus,

    • (b) a station grounding network,

    • (c) a neutral conductor,

    • (d) temporary phase grounding, or

    • (e) a metal structure

    unless the equipment referred to in paragraphs (a) to (e) is connected to a common grounding network.

  • (2) Where, after the connections referred to in subsection (1) are made, a safety ground is required to ensure the safety of an employee working on the electrical equipment referred to in that subsection, the safety ground shall be connected to the common grounding network.

 
Date modified: