The properties determined by these tests are inherent in the brush materials themselves as distinct from performance characteristics in operation on electrical equipment (Published Document (JS))
This standard applies to test methods and apparatus for the measurement of the operational characteristics of brushes designed to operate on commutating and slip-ring machines under specified test conditions. It does not apply to brushes for small power machines and automotive machines. (Published Document (JS))
This standard applies to brush-holders for electrical machines. (Published Document (JS))
