Canada – Nova Scotia Offshore Marine Installations and Structures Occupational Health and Safety Transitional Regulations
Version of section 191 from 2015-01-05 to 2017-08-22:
191 All portable electric tools used by employees must be grounded, except if they
(a) are powered by a self-contained battery;
(b) have a protective system of double insulation; or
(c) are used in a location when 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-M91, Ground Fault Circuit Interrupters, published 2011.
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