sec.20Competencies of persons carrying out work on electrical equipment

### sec.20 Competencies of persons carrying out work on electrical equipment Subject to subsection (2) , only a person who has the recognised competency for repairing, overhauling and maintaining electrical equipment for explosive atmospheres may carry out the following work at a coal mine— electrical work in an ERZ; work on electrical equipment used in an ERZ; work on extra low voltage systems associated with explosion-protected equipment and installations; work on explosion-protected electrical equipment installed at a surface mine; electrical work in an area, at a surface mine, that a risk assessment shows has an explosion risk. Only a person who has the recognised competency for repairing, overhauling and maintaining an electric drive or other electrical equipment for mobile plant used in underground mines may carry out work on extra low voltage systems associated with mobile plant for an underground mine. s 20 amd 2026 SL No. 27 s 3 (sec.20-ssec.1) Subject to subsection (2) , only a person who has the recognised competency for repairing, overhauling and maintaining electrical equipment for explosive atmospheres may carry out the following work at a coal mine— electrical work in an ERZ; work on electrical equipment used in an ERZ; work on extra low voltage systems associated with explosion-protected equipment and installations; work on explosion-protected electrical equipment installed at a surface mine; electrical work in an area, at a surface mine, that a risk assessment shows has an explosion risk. (sec.20-ssec.2) Only a person who has the recognised competency for repairing, overhauling and maintaining an electric drive or other electrical equipment for mobile plant used in underground mines may carry out work on extra low voltage systems associated with mobile plant for an underground mine. - (a) electrical work in an ERZ; - (b) work on electrical equipment used in an ERZ; - (c) work on extra low voltage systems associated with explosion-protected equipment and installations; - (d) work on explosion-protected electrical equipment installed at a surface mine; - (e) electrical work in an area, at a surface mine, that a risk assessment shows has an explosion risk.