[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR18.60]

[Page 107-108]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 18--ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES--Table of Contents
 
                    Subpart C--Inspections and Tests
 
Sec. 18.60  Detailed inspection of components.


    An inspection of each electrical component shall include the 
following:
    (a) A detailed check of parts against the drawings submitted by the 
applicant to determine that: (1) The parts and drawings coincide; and 
(2) the minimum requirements stated in this part have been met with 
respect to materials, dimensions, configuration, workmanship, and 
adequacy of drawings and specifications.
    (b) Exact measurement of joints, journal bearings, and other flame-
arresting paths.
    (c) Examination for unnecessary through holes.
    (d) Examination for adequacy of lead-entrance design and 
construction.

[[Page 108]]

    (e) Examination for adequacy of electrical insulation and clearances 
between live parts and between live parts and the enclosure.
    (f) Examination for weaknesses in welds and flaws in castings.
    (g) Examination for distortion of enclosures before tests.
    (h) Examination for adequacy of fastenings, including size, spacing, 
security, and possibility of bottoming.