Paragraph 6
No person shall interfere with any machinery at a mine or operate any machinery required by or under the Act or by the manager of the mine to be operated in compliance with signals or which if not so required is capable of developing more than ten horse-power except—
a mechanic or electrician of the mine;
a person carrying out duties in relation thereto in pursuance of an instruction in writing by the manager;
in emergency for the purpose of cutting off the supply of power.
No person shall interfere with any electrical apparatus at a mine or operate any such apparatus which works at a voltage exceeding twenty-five except—
an electrician of the mine;
a person carrying out duties in relation thereto in pursuance of an instruction in writing by the manager;
in emergency for the purpose of cutting off the supply of power.