Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 1 : Lamp caps.

This document outlines the technical specifications and measurement methods for lamp holders and their corresponding sockets. It establishes the dimensional requirements necessary to ensure the interchangeability of various lighting components across different markets. The text details the design of specialized gauges used during the inspection process to verify compliance with safety criteria. These measurement tools are essential for manufacturers to confirm that produced parts meet the defined geometric tolerances. The standard covers specific types of lamp fittings and provides the procedural framework for testing their compatibility. It serves as a reference for engineers and quality control personnel to assess whether the mechanical interfaces of lighting fixtures adhere to the established rules. By defining precise dimensions for contact points and structural elements, the text helps prevent incompatibility issues in electrical installations. The guidelines focus on the physical attributes of the components rather than their electrical performance properties. This resource is widely recognized in the industry for facilitating the production of uniform and safe lighting accessories.