GB 1444-2008 (English Version) PDF

Standard No.: GB 1444-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 1444-2008
Replace: GB 1444-1987

Scope: This standard specifies the type, basic parameters and dimensions, structure and materials, and test requirements and inspection procedures of screw-type lampholders for explosion-proof lamps. This standard is applicable to screw-type lampholders for explosion-proof lamps (hereinafter referred to as lampholders) for increased safety and non-sparking explosion-proof lamps in explosive environments.

GB 1444-2008 Referenced Document

GB 1406 Types and dimensions of Edison screw lamp caps
GB 17935-2007 Edison screw lampholders
GB 19148.1 Types and dimensions of edison screw lampholders
GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres-Part 1: General requirements
GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres-Part 3:Increased safety "e"
GB/T 2423.17 Environmental testing for electric and electronic products.Part 2:Test method.Test Ka:Salt mist
GB/T 2423.4 Environmental testing for electrical and electronic products - Part 2: Test method Test Db alternating damp heat (12h + 12h cycle)*， 2009-01-01 Update
GB/T 4207 Method for the determination of the proof and the comparative tracking indices of solid insulating materials*， 2022-07-11 Update
GB/T 8411.1 Ceramic and glass insulating materials.Part 1:Definition and classification

2008 GB 1444-2008 Edison screw lampholders specially used for explosion-proof liminaires
1987 GB 1444-1987 Edison screw lampholders specially used for explosion-proof luminaires