Acts and Regulations

96-105 - Underground Mine

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Extraneous electricity
154(1)In this section, “extraneous electricity” means unwanted external energy that creates an electric current greater than 50 mA in an electric blasting circuit and includes stray electrical current, static electricity, radio frequency energy and time-varying electric magnetic fields.
154(2)An employer and a person who conducts an underground blasting operation shall each ensure that electric initiation of blasting is not used where there is danger from extraneous electricity.
2010-130
Extraneous electricity
154(1)In this section
“extraneous electricity” means unwanted electrical energy greater than 50 mA that is present in a blasting area and that may enter an electric blasting circuit and includes stray electrical current, static electricity, radio frequency energy and time-varying electric and magnetic fields.
154(2)An employer and a person who conducts an underground blasting operation shall each ensure that electric initiation of blasting is not used where there is danger from extraneous electricity.