GB 7957-2023 Active National standards force_standard

GB 7957-2023 Safety technical requirement for cap lamps in coal mine

Publish Date: 2023-09-08 Implement Date: 2025-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB 7957-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: yes

CCS Name: Explosion-proof electrical appliances

ICS Name: Electric equipment for use in explosive environments

Publish Date: 2023-09-08

Implement Date: 2025-04-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 国家矿山安全监察局

Pages: 20 pages

Scope

本文件规定了煤矿用矿灯(以下简称“矿灯”)的使用性能和安全要求、标志、包装、运输和贮存，给出了便于技术规定的产品分类，描述了对应的试验方法。
本文件适用于矿灯，包括煤矿在用的矿灯和为其他设备供电的矿灯。

Development Information

Word Count: 31 Thousand words Pages: 20 pages

Replace the following standards

GB/T 7957-2017 General requirements for construction,performance and explosion protected testing of caplights for use in mines susceptible to firedamp

Referenced Standards

GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 16935.3-2016 Insulation coordination for equipment within low-voltage systems— Part 3:Use of coating,potting or moulding for protection against pollution MT/T 1051-2007 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) MT/T 818.10-2009 coal mine electrical cables - Part 10: worker cap light wires for coal mines MT/T 395-2007 Protector of cap lamp GB/T 191-2025 Graphical symbols marking for handling and storage of packages

Adopt standards

IEC 60079-35-1:2011 IEC 60079-35-2:2011

Related Standards

GB 5590-1985 Replaced

GB 5590-1985 Mining type flameproof electric magnetic starters

Publish Date: 1985-11-20

GB 3836.9-1990 Replaced

GB 3836.9-1990 Electrical apparatus for explosive atmospheres Encapsulated electrical apparatus "m"

Publish Date: 1990-08-27

GB 3836.11-1991 Replaced

GB 3836.11-1991 Electrical apparatus for explosive atmospheres-Method of test for ascertainment of maximum experimental safe gap

Publish Date: 1991-05-27

GB 3836.12-1991 Replaced

GB 3836.12-1991 Electrical apparatus for explosive atmospheres—Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents

Publish Date: 1991-05-27

GB 3836.13-1997 Replaced

GB 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres

Publish Date: 1997-12-30

MT 703-1997 Replaced

MT 703-1997 Technical condition of electro-chemical type carbon monoxide instrumentation for coal mine

Publish Date: 1997-12-30