Section 27-15. Requirements for equipment and systems in connection with rock work

Any mechanical and electrical equipment that is located in an area where there may be a risk of fire and explosion from the ignition of gas, vapour or volatile liquids shall be suitable for use in such areas.
If necessary, the equipment shall be fitted with suitable protective devices and fail-safe systems.
Mechanical equipment and plant must be of adequate strength and free from visible defects and suitable for their intended use.
Electrical equipment and plant shall have sufficient capacity and strength for their intended use.
Mechanical and electrical equipment and installations shall be installed and protected so as to prevent danger.