Regulations Made Under Part II of the Canada Labour Code Respecting Occupational Safety and Health of Employees Employed on or in Connection with Exploration or Drilling for, or the Production, Conservation, Processing or Transportation of, Oil or Gas in Canada Lands, as Defined in the Canada Oil and Gas Act

14.4 (1) Subject to subsection (2), all portable electric tools used by employees shall be grounded.

(2) Subsection (1) does not apply to tools that

• (a) are powered by a self-contained battery;

• (b) have a protective system of double insulation; or

• (c) are used in a location where reliable grounding cannot be obtained if the tools are supplied from a double insulated portable ground fault circuit interrupter of the class A type that meets the standards set out in CSA Standard C22.2 No. 144-1977, Ground Fault Circuit Interrupters, dated March 1977.