Government of Canada / Gouvernement du Canada
Symbol of the Government of Canada


Oil and Gas Occupational Safety and Health Regulations (SOR/87-612)

Regulations are current to 2021-06-28 and last amended on 2021-06-17. Previous Versions

PART IXElectrical Safety (continued)

Control Devices, Switches, Cords and Cables

  •  (1) Every control device shall be so designed and located as to permit quick and safe operation at all times.

  • (2) The path of access to every electrical switch, control device or meter shall be free from obstruction.

  • (3) Where an electrical switch or other control device controlling the supply of electrical energy to electrical equipment is operated only by a person authorized to do so by the employer, the switch or other control device shall be fitted with a locking device that only such an authorized person can activate.

  • (4) Control switches for all electrically operated machinery shall be clearly marked to indicate the switch positions that correspond to the electrical circuits being controlled.

  •  (1) All electrical equipment within a Class 1 Division 1 area or Class 1 Division 2 area as defined in the Canadian Electrical Code shall be constructed in a manner suitable for the environmental conditions in the area in which the equipment is used.

  • (2) Each extension cord of electrical equipment referred to in subsection (1) shall be equipped with a terminal that provides an interruption of the circuit before a connecting device is withdrawn.

Defective Electrical Equipment

 Defective electrical equipment that is likely to be hazardous to the safety or health of an employee shall be disconnected from its power source by a means other than the control switch and notices shall be placed on the equipment and at the control switch to indicate that the equipment is defective.

  • SOR/94-165, s. 26(F)

Electrical Fuses

  •  (1) Electrical fuses shall be of the correct ampere rating and fault capacity rating for the circuit in which they are installed.

  • (2) No employee shall replace missing or burnt-out fuses unless authorized to so do by a qualified person.

Power Supply Cables

  •  (1) Power supply cables for portable electrical equipment shall be placed clear of areas used for vehicles unless the cables are protected by guards.

  • (2) A three-wire power supply cable on electrical equipment or on an electrical appliance shall not be altered or changed for the purpose of using the equipment or appliance on a two-wire power supply.

Grounded Electrical Equipment

 Grounded electrical equipment and appliances shall be used only when connected to a matching electrical outlet receptacle.

Date modified: