1. Definition
This specification applies to micrometer calipers for measuring external and
internal dimensions, thickness of tubing walls, and pitch diameters of screw
threads; and to micrometer depth gauges.
Recommendations for the classification of materials for the insulation of electrical machinery and a...
Describes recognized thermal classes for the insulation of electrotechnical products. Considers the thermal evaluation of insulation materials and systems, their interrelationship and the influence of service conditions. Defines the responsibility for assigning thermal identification and classification.
