Mining and Quarrying Safety and Health Regulation 2017
sec.26Earth leakage protection
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sec.26 Earth leakage protection
The operator or site senior executive must ensure the mine has earth leakage protection for each electrical circuit exceeding extra low voltage that— is in an underground mine; or is in a portable, transportable or mobile apparatus; or has an outlet for, or supplies electricity to, a trailing cable or flexible lead. Subsection (1) does not apply to the following circuits— an electrical circuit— isolated from earth; or that uses the earth to carry all or part of the normal current of a circuit; or for which continuity of supply is necessary to maintain safety; a control or lighting circuit of less than 120V a.c. (sec.26-ssec.1) The operator or site senior executive must ensure the mine has earth leakage protection for each electrical circuit exceeding extra low voltage that— is in an underground mine; or is in a portable, transportable or mobile apparatus; or has an outlet for, or supplies electricity to, a trailing cable or flexible lead. (sec.26-ssec.2) Subsection (1) does not apply to the following circuits— an electrical circuit— isolated from earth; or that uses the earth to carry all or part of the normal current of a circuit; or for which continuity of supply is necessary to maintain safety; a control or lighting circuit of less than 120V a.c.
- (a) is in an underground mine; or
- (b) is in a portable, transportable or mobile apparatus; or
- (c) has an outlet for, or supplies electricity to, a trailing cable or flexible lead.
- (a) an electrical circuit— (i) isolated from earth; or (ii) that uses the earth to carry all or part of the normal current of a circuit; or (iii) for which continuity of supply is necessary to maintain safety;
- (i) isolated from earth; or
- (ii) that uses the earth to carry all or part of the normal current of a circuit; or
- (iii) for which continuity of supply is necessary to maintain safety;
- (b) a control or lighting circuit of less than 120V a.c.
- (i) isolated from earth; or
- (ii) that uses the earth to carry all or part of the normal current of a circuit; or
- (iii) for which continuity of supply is necessary to maintain safety;