DB32/T 3848-2020 Safe operation rules for working in limited space

GB 2893-2001 Safety colors GB 2893-2008 Safety colours GB/T 2893.1-2004 Graphical symbols—Safety Colors and safety signs—Part1:Design principles for safety signs in workplaces and public areas GB/T 2893.1-2013 Graphical symbols—Safety colours and safety signs—Part 1:Design principles for safetry signs and safety markings GB/T 2893.2-2008 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.2-2020 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.3-2010 Graphical symbols—Safety colours and safety signs—Part 3:Design principles for graphical symbols for use in safety signs GB/T 2893.4-2013 Graphical symbols—Safety colours and safety signs—Part 4:Colorimetric and photometric properties of safety sign materials GB/T 2893.5-2020 Graphical symbols—Safety colours and safety signs—Part 5:Principles and requirements for the use of safety signs GB 2894-1996 Safety signs GB 2894-2008 Safety signs and guideline for the use GB 3787-1993 Technical safety code for management, operation, inspection maintenance of hand-held motor operated tools GB/T 3787-2006 Technical safety code for management, operation, inspection and maintenance of hand-held motor-operated electric tools GB/T 3787-2017 Technical safety code for management,operation,inspection and maintenance of hand-held motor-operated electric tools GB/T 3805-1993 Extra-low voltage (ELV)—Limit values GB/T 3805-2008 Extra-low voltage(ELV)—Limit values GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 4053.1-1993 Safety requirements for fixed steel vertical ladders GB 4053.1-2009 Safety requirements for fixed steel ladders and platform—Part 1:Steel vertical ladders GB 4053.2-1993 Safety requirements for fixed steel oblique ladders GB 4053.2-2009 Safety requirements for fixed steel ladders and platform—Part 2:Steel inclined ladders GB 4053.3-1993 Safety requirements for fixed industrial protective railings GB 4053.3-2009 Safety requirements for fixed steel ladders and platform—Part 3:Industrial guardrails and steel platform GB 6220-1986 Long tube respirators GB 6220-2009 Respiratory protection—Long tube breathing apparatus GB 6220-2023 Respiratory protection—Air line respirator GB 8958-1988 Safety regulation for working under hazardous condition of the oxygen deficiency GB 8958-2006 Safety regulation for working under hazardous condition of the oxygen deficiency GB 9448-1999 Safety in welding and cutting GB 12358-1990 Gas monitors and alarms for workplace atmosphere general technical requirements GB 12358-2006 Gas monitors and alarms for workplace—General technical requirements GB 12358-2024 Gas detection and alarm instruments for workplace—General technical requirements GB 16556-1996 Self-contained compressed air breathing apparatus GB/T 16556-2007 Self-contained open-circuit compressed air breathing apparatus GB/T 29639-2013 Guidelines for enterprises to develop emergency response plan for work place accidents GB/T 29639-2020 Guidelines for enterprises to develop emergency response plan for work place accidents GB 30871-2014 Safety code of special work in chemical manufactory GB 30871-2022 Safety specifications of special work in hazardous chemicals enterprises GB 50016-2014 Code for fire protection design of buildings GBZ 2.1 GBZ 158 GB 2894-2025 Safety colours and safety signs GB 50140-2005 Code for design of extinguisher distribution in buildings GB 16556-2025 Respiratory protection—Self-contained open-circuit compressed air breathing apparatus GB 4053.1-2025 Safety requirements for fixed metal ladders and platform—Part 1:Vertical ladders GB 4053.2-2025 Safety requirements for fixed metal ladders and platform—Part 2:Inclined ladders GB 4053.3-2025 Safety requirements for fixed metal ladders and platform—Part 3:Industrial guardrails and platform