GB/T 20144-2016
ActiveBarrel thread for lampholders with shade holder ring
带灯罩环的灯座用筒形螺纹
Application Summary AI generated
This standard specifies the dimensions, tolerances, and gauging methods for barrel threads used on lampholders that incorporate a shade holder ring. It is applied in the manufacturing and quality inspection of lighting fixtures, ensuring mechanical compatibility and secure attachment between lampholders and shade rings in residential, commercial, and industrial lighting products.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.