【国外标准】 Standard Practice for Contact Performance Classification of Electrical Connection Systems (Withdrawn 2017)

5.1 This practice is based on the use of electrical resistance as an indicator of contact performance.5.2 Existing standards, such as those referenced in Section 2 as representative examples, provide the basis for applied test conditions. Modifications in procedure or sample size, or both, of existing standards may have to be made to provide for resistance measurement and to meet variability index requirements that a user may specify.5.3 This practice accommodates the use of multiple test methods, as may be required to assure satisfactory performance in a given application.1.1 This practice provides a uniform method of specifying performance requirements for (or reporting test results of) electrical contact and connection systems. Both conductor and connector system performance may be specified by this practice, separately or in combination.1.2 This practice may be used for separable or permanent contacts employing metallic conductors and contacts.1.3 This practice provides methods for both signal and power applications.1.4 This practice does not specify the sample preparation or test sequences required for determining contact performance. It is the responsibility of the user of this practice to determine the applied test sequence(s) appropriate for the application.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.