How frequently should high voltage mine power cables be inspected?

High voltage mine power cables require regular inspections as determined by safety standards because mining operations can present unique and hazardous environments. The frequency of these inspections is influenced by factors such as the condition of the cables, the environment in which they are used (such as humidity, temperature, and exposure to chemicals), and the potential consequences of cable failure.

Regular inspections help ensure safety, as they allow for the early detection of wear, damage, or other issues that could lead to hazards. Safety standards are established to ensure that any potential risks associated with high voltage systems are mitigated effectively. By adhering to these standards, mine operations can ensure the reliability of their electrical systems and maintain a safer working environment for all personnel.

Other options such as annual or every two years do not address the specific needs and circumstances of mining environments, which can change frequently and may require more immediate attention to ensure safety.