§ 29.52 - Component parts; minimum requirements.  


Latest version.
  • (a) The components of each instrument approved by MSHA for use where permissibility is required shall meet the requirements for permissibility and intrinsic safety set forth in Part 18, Subchapter D of this chapter (Bureau of Mines Schedule 2G).

    (b) The components of each instrument shall be:

    (1) Designed and constructed to prevent creation of any hazard to the user; and

    (2) Assembled to permit easy access for inspection, cleaning, and repair of functional parts.

    (c) Replacements parts shall be constructed to maintain the effectiveness of the instrument.