Mine Safety and Health Administration (MSHA) - Code of Federal Regulations - 30 CFR 27.41
skip navigational linksDepartment of Labor Seal U.S. Department of Labor
Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978
Photos representing the mining workforce
 www.msha.gov
Find It! in DOL | Compliance Assistance |   
 
MSHA - Title 30 CFR
30 CFR § 27.41

Test to determine resistance to moisture.

Components, subassemblies, or assemblies, the normal functioning of which might be affected by moisture, shall be tested in atmospheres of high relative humidity (80 percent or more at 65°-75°F.) for continuous operating and idle periods of 4 hours each. The component or subassembly or assembly shall function normally after being subjected to those tests.




Back to Top   Back to Top www.msha.gov www.dol.gov


Mine Safety and Health Administration (MSHA)
1100 Wilson Boulevard, 21st Floor
Arlington, VA 22209-3939
Phone:    (202) 693-9400
Fax-on-demand: (202) 693-9401
Technical (web) questions: Webmaster
On-line Filing Help: MSHAhelpdesk@dol.gov
or call (877) 778-6055

Contact Us