This National Standard of Canada is applicable to portable equipment, with or without matching connection points, for temporary earthing or earthing and short-circuiting of electrically isolated or de-energized a.c. and d.c. installations, transmission and distribution networks, whether they are overhead or underground or of low or high voltage. This standard covers equipment comprising an earthing or a short-circuiting or an earthing and short-circuiting device and insulating component.