(1) All apparatus shall be maintained reasonably free from dust, dirt and moisture, and shall be kept clear of obstruction.
(2) All apparatus other than portable and transportable apparatus shall be housed in a room, compartment or box so constructed as to protect the contents from damage occasioned by falling material or passing traffic.
(3) Inflammable or explosive material shall not be stored in any room, compartment or box containing apparatus, or in the vicinity of any apparatus.
(4) In case of a fault in any circuit, the part affected shall be made dead without delay and shall remain so until the fault has been remedied.
(5) While lamps are being changed the supply shall be disconnected.
(6) No lamp holder shall have metallic connection with the guard or other metal work of a portable hand lamp.
(7) The following notices in Hindi and local language of the district, so designed and protected as to be easily legible at all times, shall be exhibited at the following places, namely: –
(i) where electrical apparatus is in use, a notice forbidding undesignated persons to operate or otherwise interfere with such apparatus;
(ii) in the interior or at the surface of the mine where a telephone or other means of communication is provided, a notice giving full instructions to person, at the surface of the mine, designated to effect the disconnection of the supply of electricity to the mine.
(8) All apparatus, including portable and transportable apparatus, shall be operated only by those persons who are designated for the purpose.
(9) Where a plug-and-socket-coupling other than of bolted type is used with flexible cables, an electrical interlock or other approved device shall be provided to prevent the opening of the coupling while the conductors are live.